Home / 19,948,761.47-29,857,210.26-18,156,144.56

Finding the Fourth Proportional to 19,948,761.47, 29,857,210.26 and 18,156,144.56

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Solution

The fourth proportional to 19,948,761.47, 29,857,210.26 and 18,156,144.56 is: 27,174,209.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948,761.47 : 29,857,210.26 = 18,156,144.56 : x
  2. Step 2: Convert to fraction form
    19,948,761.47/29,857,210.26 = 18,156,144.56/x
  3. Step 3: Cross multiply
    19,948,761.47x = 29,857,210.26 × 18,156,144.56
  4. Step 4: Simplify right side
    19,948,761.47x = 542,091,825,489,589.12
  5. Step 5: Solve for x
    x = 542,091,825,489,589.12/19,948,761.47
  6. Step 6: Final answer
    x = 27,174,209.61

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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.