Home / 10,630,103.10-15,945,154.65-8,504,339.10

Finding the Fourth Proportional to 10,630,103.10, 15,945,154.65 and 8,504,339.10

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Solution

The fourth proportional to 10,630,103.10, 15,945,154.65 and 8,504,339.10 is: 12,756,508.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,630,103.10 : 15,945,154.65 = 8,504,339.10 : x
  2. Step 2: Convert to fraction form
    10,630,103.10/15,945,154.65 = 8,504,339.10/x
  3. Step 3: Cross multiply
    10,630,103.10x = 15,945,154.65 × 8,504,339.10
  4. Step 4: Simplify right side
    10,630,103.10x = 135,603,002,145,541.81
  5. Step 5: Solve for x
    x = 135,603,002,145,541.81/10,630,103.10
  6. Step 6: Final answer
    x = 12,756,508.65

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Half scale
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Double scale
Find fourth proportional to 10,630,104.10, 15,945,156.15 and 8,504,340.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.