Home / 10,753,287.40-16,129,931.10-5,378,516.20

Finding the Fourth Proportional to 10,753,287.40, 16,129,931.10 and 5,378,516.20

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Solution

The fourth proportional to 10,753,287.40, 16,129,931.10 and 5,378,516.20 is: 8,067,774.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,753,287.40 : 16,129,931.10 = 5,378,516.20 : x
  2. Step 2: Convert to fraction form
    10,753,287.40/16,129,931.10 = 5,378,516.20/x
  3. Step 3: Cross multiply
    10,753,287.40x = 16,129,931.10 × 5,378,516.20
  4. Step 4: Simplify right side
    10,753,287.40x = 86,755,095,726,233.83
  5. Step 5: Solve for x
    x = 86,755,095,726,233.83/10,753,287.40
  6. Step 6: Final answer
    x = 8,067,774.30

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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.