Home / 14,575,481.20-21,852,724.20-8,187,691.60

Finding the Fourth Proportional to 14,575,481.20, 21,852,724.20 and 8,187,691.60

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Solution

The fourth proportional to 14,575,481.20, 21,852,724.20 and 8,187,691.60 is: 12,275,640.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,575,481.20 : 21,852,724.20 = 8,187,691.60 : x
  2. Step 2: Convert to fraction form
    14,575,481.20/21,852,724.20 = 8,187,691.60/x
  3. Step 3: Cross multiply
    14,575,481.20x = 21,852,724.20 × 8,187,691.60
  4. Step 4: Simplify right side
    14,575,481.20x = 178,923,366,369,456.72
  5. Step 5: Solve for x
    x = 178,923,366,369,456.72/14,575,481.20
  6. Step 6: Final answer
    x = 12,275,640.43

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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.