Home / 8,656,330.30-12,984,495.45-8,287,747.90

Finding the Fourth Proportional to 8,656,330.30, 12,984,495.45 and 8,287,747.90

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Solution

The fourth proportional to 8,656,330.30, 12,984,495.45 and 8,287,747.90 is: 12,431,621.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656,330.30 : 12,984,495.45 = 8,287,747.90 : x
  2. Step 2: Convert to fraction form
    8,656,330.30/12,984,495.45 = 8,287,747.90/x
  3. Step 3: Cross multiply
    8,656,330.30x = 12,984,495.45 × 8,287,747.90
  4. Step 4: Simplify right side
    8,656,330.30x = 107,612,224,898,297.05
  5. Step 5: Solve for x
    x = 107,612,224,898,297.05/8,656,330.30
  6. Step 6: Final answer
    x = 12,431,621.85

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Similar ratio
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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.