Home / 10,368,000.10-15,552,000.15-7,315,660.90

Finding the Fourth Proportional to 10,368,000.10, 15,552,000.15 and 7,315,660.90

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Solution

The fourth proportional to 10,368,000.10, 15,552,000.15 and 7,315,660.90 is: 10,973,491.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,000.10 : 15,552,000.15 = 7,315,660.90 : x
  2. Step 2: Convert to fraction form
    10,368,000.10/15,552,000.15 = 7,315,660.90/x
  3. Step 3: Cross multiply
    10,368,000.10x = 15,552,000.15 × 7,315,660.90
  4. Step 4: Simplify right side
    10,368,000.10x = 113,773,159,414,149.14
  5. Step 5: Solve for x
    x = 113,773,159,414,149.14/10,368,000.10
  6. Step 6: Final answer
    x = 10,973,491.35

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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.