Home / 20,951,487.38-31,418,067.44-10,570,317.80

Finding the Fourth Proportional to 20,951,487.38, 31,418,067.44 and 10,570,317.80

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Solution

The fourth proportional to 20,951,487.38, 31,418,067.44 and 10,570,317.80 is: 15,850,853.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,951,487.38 : 31,418,067.44 = 10,570,317.80 : x
  2. Step 2: Convert to fraction form
    20,951,487.38/31,418,067.44 = 10,570,317.80/x
  3. Step 3: Cross multiply
    20,951,487.38x = 31,418,067.44 × 10,570,317.80
  4. Step 4: Simplify right side
    20,951,487.38x = 332,098,957,371,967.88
  5. Step 5: Solve for x
    x = 332,098,957,371,967.88/20,951,487.38
  6. Step 6: Final answer
    x = 15,850,853.51

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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.