Home / 13,715,737.28-20,578,179.38-9,122,830.31

Finding the Fourth Proportional to 13,715,737.28, 20,578,179.38 and 9,122,830.31

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Solution

The fourth proportional to 13,715,737.28, 20,578,179.38 and 9,122,830.31 is: 13,687,287.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,715,737.28 : 20,578,179.38 = 9,122,830.31 : x
  2. Step 2: Convert to fraction form
    13,715,737.28/20,578,179.38 = 9,122,830.31/x
  3. Step 3: Cross multiply
    13,715,737.28x = 20,578,179.38 × 9,122,830.31
  4. Step 4: Simplify right side
    13,715,737.28x = 187,731,238,610,232.22
  5. Step 5: Solve for x
    x = 187,731,238,610,232.22/13,715,737.28
  6. Step 6: Final answer
    x = 13,687,287.44

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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.