Home / 52,023,425.76-71,791,387.20-28,818,480.96

Finding the Fourth Proportional to 52,023,425.76, 71,791,387.20 and 28,818,480.96

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Solution

The fourth proportional to 52,023,425.76, 71,791,387.20 and 28,818,480.96 is: 39,768,982.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,023,425.76 : 71,791,387.20 = 28,818,480.96 : x
  2. Step 2: Convert to fraction form
    52,023,425.76/71,791,387.20 = 28,818,480.96/x
  3. Step 3: Cross multiply
    52,023,425.76x = 71,791,387.20 × 28,818,480.96
  4. Step 4: Simplify right side
    52,023,425.76x = 2,068,918,725,115,187.75
  5. Step 5: Solve for x
    x = 2,068,918,725,115,187.75/52,023,425.76
  6. Step 6: Final answer
    x = 39,768,982.82

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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.