Home / 39,350,869.61-54,304,272.52-21,948,336.52

Finding the Fourth Proportional to 39,350,869.61, 54,304,272.52 and 21,948,336.52

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Solution

The fourth proportional to 39,350,869.61, 54,304,272.52 and 21,948,336.52 is: 30,288,744.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,350,869.61 : 54,304,272.52 = 21,948,336.52 : x
  2. Step 2: Convert to fraction form
    39,350,869.61/54,304,272.52 = 21,948,336.52/x
  3. Step 3: Cross multiply
    39,350,869.61x = 54,304,272.52 × 21,948,336.52
  4. Step 4: Simplify right side
    39,350,869.61x = 1,191,888,447,552,116.75
  5. Step 5: Solve for x
    x = 1,191,888,447,552,116.75/39,350,869.61
  6. Step 6: Final answer
    x = 30,288,744.81

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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.