Home / 25,695,103.20-38,542,654.80-10,543,999.20

Finding the Fourth Proportional to 25,695,103.20, 38,542,654.80 and 10,543,999.20

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Solution

The fourth proportional to 25,695,103.20, 38,542,654.80 and 10,543,999.20 is: 15,815,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,695,103.20 : 38,542,654.80 = 10,543,999.20 : x
  2. Step 2: Convert to fraction form
    25,695,103.20/38,542,654.80 = 10,543,999.20/x
  3. Step 3: Cross multiply
    25,695,103.20x = 38,542,654.80 × 10,543,999.20
  4. Step 4: Simplify right side
    25,695,103.20x = 406,393,721,377,076.12
  5. Step 5: Solve for x
    x = 406,393,721,377,076.12/25,695,103.20
  6. Step 6: Final answer
    x = 15,815,998.80

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Similar ratio
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1.5x scale

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.