Home / 8,309,408.20-12,465,084.30-2,630,206.60

Finding the Fourth Proportional to 8,309,408.20, 12,465,084.30 and 2,630,206.60

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Solution

The fourth proportional to 8,309,408.20, 12,465,084.30 and 2,630,206.60 is: 3,945,617.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,408.20 : 12,465,084.30 = 2,630,206.60 : x
  2. Step 2: Convert to fraction form
    8,309,408.20/12,465,084.30 = 2,630,206.60/x
  3. Step 3: Cross multiply
    8,309,408.20x = 12,465,084.30 × 2,630,206.60
  4. Step 4: Simplify right side
    8,309,408.20x = 32,785,746,995,416.38
  5. Step 5: Solve for x
    x = 32,785,746,995,416.38/8,309,408.20
  6. Step 6: Final answer
    x = 3,945,617.57

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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.