Home / 13,524,693.52-18,665,990.40-8,369,715.28

Finding the Fourth Proportional to 13,524,693.52, 18,665,990.40 and 8,369,715.28

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Solution

The fourth proportional to 13,524,693.52, 18,665,990.40 and 8,369,715.28 is: 11,551,391.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524,693.52 : 18,665,990.40 = 8,369,715.28 : x
  2. Step 2: Convert to fraction form
    13,524,693.52/18,665,990.40 = 8,369,715.28/x
  3. Step 3: Cross multiply
    13,524,693.52x = 18,665,990.40 × 8,369,715.28
  4. Step 4: Simplify right side
    13,524,693.52x = 156,229,025,067,213.31
  5. Step 5: Solve for x
    x = 156,229,025,067,213.31/13,524,693.52
  6. Step 6: Final answer
    x = 11,551,391.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.