Home / 38,615,727.60-57,923,591.40-20,412,889.20

Finding the Fourth Proportional to 38,615,727.60, 57,923,591.40 and 20,412,889.20

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Solution

The fourth proportional to 38,615,727.60, 57,923,591.40 and 20,412,889.20 is: 30,619,333.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,615,727.60 : 57,923,591.40 = 20,412,889.20 : x
  2. Step 2: Convert to fraction form
    38,615,727.60/57,923,591.40 = 20,412,889.20/x
  3. Step 3: Cross multiply
    38,615,727.60x = 57,923,591.40 × 20,412,889.20
  4. Step 4: Simplify right side
    38,615,727.60x = 1,182,387,853,314,272.75
  5. Step 5: Solve for x
    x = 1,182,387,853,314,272.75/38,615,727.60
  6. Step 6: Final answer
    x = 30,619,333.80

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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.