Home / 29,321,769.60-43,982,654.40-18,503,992.80

Finding the Fourth Proportional to 29,321,769.60, 43,982,654.40 and 18,503,992.80

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Solution

The fourth proportional to 29,321,769.60, 43,982,654.40 and 18,503,992.80 is: 27,755,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,321,769.60 : 43,982,654.40 = 18,503,992.80 : x
  2. Step 2: Convert to fraction form
    29,321,769.60/43,982,654.40 = 18,503,992.80/x
  3. Step 3: Cross multiply
    29,321,769.60x = 43,982,654.40 × 18,503,992.80
  4. Step 4: Simplify right side
    29,321,769.60x = 813,854,720,342,488.38
  5. Step 5: Solve for x
    x = 813,854,720,342,488.38/29,321,769.60
  6. Step 6: Final answer
    x = 27,755,989.20

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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.