Home / 38,068,791.62-57,124,784.16-20,561,132.16

Finding the Fourth Proportional to 38,068,791.62, 57,124,784.16 and 20,561,132.16

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Solution

The fourth proportional to 38,068,791.62, 57,124,784.16 and 20,561,132.16 is: 30,853,362.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,068,791.62 : 57,124,784.16 = 20,561,132.16 : x
  2. Step 2: Convert to fraction form
    38,068,791.62/57,124,784.16 = 20,561,132.16/x
  3. Step 3: Cross multiply
    38,068,791.62x = 57,124,784.16 × 20,561,132.16
  4. Step 4: Simplify right side
    38,068,791.62x = 1,174,550,236,725,234.50
  5. Step 5: Solve for x
    x = 1,174,550,236,725,234.50/38,068,791.62
  6. Step 6: Final answer
    x = 30,853,362.74

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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.