Home / 21,387,139.20-32,112,201.60-16,600,233.60

Finding the Fourth Proportional to 21,387,139.20, 32,112,201.60 and 16,600,233.60

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Solution

The fourth proportional to 21,387,139.20, 32,112,201.60 and 16,600,233.60 is: 24,924,794.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,387,139.20 : 32,112,201.60 = 16,600,233.60 : x
  2. Step 2: Convert to fraction form
    21,387,139.20/32,112,201.60 = 16,600,233.60/x
  3. Step 3: Cross multiply
    21,387,139.20x = 32,112,201.60 × 16,600,233.60
  4. Step 4: Simplify right side
    21,387,139.20x = 533,070,047,970,293.75
  5. Step 5: Solve for x
    x = 533,070,047,970,293.75/21,387,139.20
  6. Step 6: Final answer
    x = 24,924,794.43

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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.