Home / 39,350,872.61-54,304,276.66-21,948,339.52

Finding the Fourth Proportional to 39,350,872.61, 54,304,276.66 and 21,948,339.52

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Solution

The fourth proportional to 39,350,872.61, 54,304,276.66 and 21,948,339.52 is: 30,288,748.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,350,872.61 : 54,304,276.66 = 21,948,339.52 : x
  2. Step 2: Convert to fraction form
    39,350,872.61/54,304,276.66 = 21,948,339.52/x
  3. Step 3: Cross multiply
    39,350,872.61x = 54,304,276.66 × 21,948,339.52
  4. Step 4: Simplify right side
    39,350,872.61x = 1,191,888,701,521,691.50
  5. Step 5: Solve for x
    x = 1,191,888,701,521,691.50/39,350,872.61
  6. Step 6: Final answer
    x = 30,288,748.95

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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.