Home / 29,198,236.39-40,279,847.00-20,827,456.30

Finding the Fourth Proportional to 29,198,236.39, 40,279,847.00 and 20,827,456.30

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Solution

The fourth proportional to 29,198,236.39, 40,279,847.00 and 20,827,456.30 is: 28,732,103.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,198,236.39 : 40,279,847.00 = 20,827,456.30 : x
  2. Step 2: Convert to fraction form
    29,198,236.39/40,279,847.00 = 20,827,456.30/x
  3. Step 3: Cross multiply
    29,198,236.39x = 40,279,847.00 × 20,827,456.30
  4. Step 4: Simplify right side
    29,198,236.39x = 838,926,753,366,304.12
  5. Step 5: Solve for x
    x = 838,926,753,366,304.12/29,198,236.39
  6. Step 6: Final answer
    x = 28,732,103.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.