Home / 20,737,024.40-31,105,536.60-19,841,229.20

Finding the Fourth Proportional to 20,737,024.40, 31,105,536.60 and 19,841,229.20

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Solution

The fourth proportional to 20,737,024.40, 31,105,536.60 and 19,841,229.20 is: 29,761,843.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737,024.40 : 31,105,536.60 = 19,841,229.20 : x
  2. Step 2: Convert to fraction form
    20,737,024.40/31,105,536.60 = 19,841,229.20/x
  3. Step 3: Cross multiply
    20,737,024.40x = 31,105,536.60 × 19,841,229.20
  4. Step 4: Simplify right side
    20,737,024.40x = 617,172,081,069,588.75
  5. Step 5: Solve for x
    x = 617,172,081,069,588.75/20,737,024.40
  6. Step 6: Final answer
    x = 29,761,843.80

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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.