Home / 31,627,531.10-47,387,084.97-21,233,282.78

Finding the Fourth Proportional to 31,627,531.10, 47,387,084.97 and 21,233,282.78

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Solution

The fourth proportional to 31,627,531.10, 47,387,084.97 and 21,233,282.78 is: 31,813,528.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,627,531.10 : 47,387,084.97 = 21,233,282.78 : x
  2. Step 2: Convert to fraction form
    31,627,531.10/47,387,084.97 = 21,233,282.78/x
  3. Step 3: Cross multiply
    31,627,531.10x = 47,387,084.97 × 21,233,282.78
  4. Step 4: Simplify right side
    31,627,531.10x = 1,006,183,375,287,897.88
  5. Step 5: Solve for x
    x = 1,006,183,375,287,897.88/31,627,531.10
  6. Step 6: Final answer
    x = 31,813,528.92

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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.