Home / 21,177,704.43-31,766,132.25-13,936,901.04

Finding the Fourth Proportional to 21,177,704.43, 31,766,132.25 and 13,936,901.04

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Solution

The fourth proportional to 21,177,704.43, 31,766,132.25 and 13,936,901.04 is: 20,905,072.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,177,704.43 : 31,766,132.25 = 13,936,901.04 : x
  2. Step 2: Convert to fraction form
    21,177,704.43/31,766,132.25 = 13,936,901.04/x
  3. Step 3: Cross multiply
    21,177,704.43x = 31,766,132.25 × 13,936,901.04
  4. Step 4: Simplify right side
    21,177,704.43x = 442,721,441,591,802.50
  5. Step 5: Solve for x
    x = 442,721,441,591,802.50/21,177,704.43
  6. Step 6: Final answer
    x = 20,905,072.27

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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.