Home / 7,131,793.74-9,841,843.08-3,868,609.92

Finding the Fourth Proportional to 7,131,793.74, 9,841,843.08 and 3,868,609.92

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Solution

The fourth proportional to 7,131,793.74, 9,841,843.08 and 3,868,609.92 is: 5,338,664.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131,793.74 : 9,841,843.08 = 3,868,609.92 : x
  2. Step 2: Convert to fraction form
    7,131,793.74/9,841,843.08 = 3,868,609.92/x
  3. Step 3: Cross multiply
    7,131,793.74x = 9,841,843.08 × 3,868,609.92
  4. Step 4: Simplify right side
    7,131,793.74x = 38,074,251,770,371.35
  5. Step 5: Solve for x
    x = 38,074,251,770,371.35/7,131,793.74
  6. Step 6: Final answer
    x = 5,338,664.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.