Home / 12,179,761.60-18,273,721.14-3,982,781.83

Finding the Fourth Proportional to 12,179,761.60, 18,273,721.14 and 3,982,781.83

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Solution

The fourth proportional to 12,179,761.60, 18,273,721.14 and 3,982,781.83 is: 5,975,506.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,179,761.60 : 18,273,721.14 = 3,982,781.83 : x
  2. Step 2: Convert to fraction form
    12,179,761.60/18,273,721.14 = 3,982,781.83/x
  3. Step 3: Cross multiply
    12,179,761.60x = 18,273,721.14 × 3,982,781.83
  4. Step 4: Simplify right side
    12,179,761.60x = 72,780,244,467,237.62
  5. Step 5: Solve for x
    x = 72,780,244,467,237.62/12,179,761.60
  6. Step 6: Final answer
    x = 5,975,506.49

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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.