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Finding the Fourth Proportional to 29,793,747.20, 44,690,620.80 and 11,842,851.20

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Solution

The fourth proportional to 29,793,747.20, 44,690,620.80 and 11,842,851.20 is: 17,764,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,793,747.20 : 44,690,620.80 = 11,842,851.20 : x
  2. Step 2: Convert to fraction form
    29,793,747.20/44,690,620.80 = 11,842,851.20/x
  3. Step 3: Cross multiply
    29,793,747.20x = 44,690,620.80 × 11,842,851.20
  4. Step 4: Simplify right side
    29,793,747.20x = 529,264,372,170,024.88
  5. Step 5: Solve for x
    x = 529,264,372,170,024.88/29,793,747.20
  6. Step 6: Final answer
    x = 17,764,276.80

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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.