Home / 10,753,078.40-16,129,617.60-9,931,932.80

Finding the Fourth Proportional to 10,753,078.40, 16,129,617.60 and 9,931,932.80

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Solution

The fourth proportional to 10,753,078.40, 16,129,617.60 and 9,931,932.80 is: 14,897,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,753,078.40 : 16,129,617.60 = 9,931,932.80 : x
  2. Step 2: Convert to fraction form
    10,753,078.40/16,129,617.60 = 9,931,932.80/x
  3. Step 3: Cross multiply
    10,753,078.40x = 16,129,617.60 × 9,931,932.80
  4. Step 4: Simplify right side
    10,753,078.40x = 160,198,278,092,897.28
  5. Step 5: Solve for x
    x = 160,198,278,092,897.28/10,753,078.40
  6. Step 6: Final answer
    x = 14,897,899.20

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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.