Home / 21,722,661.20-32,536,752.60-13,188,112.40

Finding the Fourth Proportional to 21,722,661.20, 32,536,752.60 and 13,188,112.40

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Solution

The fourth proportional to 21,722,661.20, 32,536,752.60 and 13,188,112.40 is: 19,753,489.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,722,661.20 : 32,536,752.60 = 13,188,112.40 : x
  2. Step 2: Convert to fraction form
    21,722,661.20/32,536,752.60 = 13,188,112.40/x
  3. Step 3: Cross multiply
    21,722,661.20x = 32,536,752.60 × 13,188,112.40
  4. Step 4: Simplify right side
    21,722,661.20x = 429,098,350,419,792.25
  5. Step 5: Solve for x
    x = 429,098,350,419,792.25/21,722,661.20
  6. Step 6: Final answer
    x = 19,753,489.06

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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.