Home / 10,753,078.20-16,129,617.30-7,561,807.80

Finding the Fourth Proportional to 10,753,078.20, 16,129,617.30 and 7,561,807.80

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Solution

The fourth proportional to 10,753,078.20, 16,129,617.30 and 7,561,807.80 is: 11,342,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,753,078.20 : 16,129,617.30 = 7,561,807.80 : x
  2. Step 2: Convert to fraction form
    10,753,078.20/16,129,617.30 = 7,561,807.80/x
  3. Step 3: Cross multiply
    10,753,078.20x = 16,129,617.30 × 7,561,807.80
  4. Step 4: Simplify right side
    10,753,078.20x = 121,969,065,910,154.94
  5. Step 5: Solve for x
    x = 121,969,065,910,154.94/10,753,078.20
  6. Step 6: Final answer
    x = 11,342,711.70

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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.