Home / 39,192,948.97-54,086,479.73-21,552,988.78

Finding the Fourth Proportional to 39,192,948.97, 54,086,479.73 and 21,552,988.78

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Solution

The fourth proportional to 39,192,948.97, 54,086,479.73 and 21,552,988.78 is: 29,743,240.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,192,948.97 : 54,086,479.73 = 21,552,988.78 : x
  2. Step 2: Convert to fraction form
    39,192,948.97/54,086,479.73 = 21,552,988.78/x
  3. Step 3: Cross multiply
    39,192,948.97x = 54,086,479.73 × 21,552,988.78
  4. Step 4: Simplify right side
    39,192,948.97x = 1,165,725,290,770,387.50
  5. Step 5: Solve for x
    x = 1,165,725,290,770,387.50/39,192,948.97
  6. Step 6: Final answer
    x = 29,743,240.08

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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.