Home / 47,445,385.44-71,171,200.79-12,431,357.10

Finding the Fourth Proportional to 47,445,385.44, 71,171,200.79 and 12,431,357.10

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Solution

The fourth proportional to 47,445,385.44, 71,171,200.79 and 12,431,357.10 is: 18,647,853.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,445,385.44 : 71,171,200.79 = 12,431,357.10 : x
  2. Step 2: Convert to fraction form
    47,445,385.44/71,171,200.79 = 12,431,357.10/x
  3. Step 3: Cross multiply
    47,445,385.44x = 71,171,200.79 × 12,431,357.10
  4. Step 4: Simplify right side
    47,445,385.44x = 884,754,612,194,135.25
  5. Step 5: Solve for x
    x = 884,754,612,194,135.25/47,445,385.44
  6. Step 6: Final answer
    x = 18,647,853.82

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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.