Home / 25,126,129.01-34,678,171.61-20,933,164.61

Finding the Fourth Proportional to 25,126,129.01, 34,678,171.61 and 20,933,164.61

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Solution

The fourth proportional to 25,126,129.01, 34,678,171.61 and 20,933,164.61 is: 28,891,194.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,126,129.01 : 34,678,171.61 = 20,933,164.61 : x
  2. Step 2: Convert to fraction form
    25,126,129.01/34,678,171.61 = 20,933,164.61/x
  3. Step 3: Cross multiply
    25,126,129.01x = 34,678,171.61 × 20,933,164.61
  4. Step 4: Simplify right side
    25,126,129.01x = 725,923,874,407,902
  5. Step 5: Solve for x
    x = 725,923,874,407,902/25,126,129.01
  6. Step 6: Final answer
    x = 28,891,194.27

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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.