Home / 18,761,332.41-28,105,346.85-12,924,487.08

Finding the Fourth Proportional to 18,761,332.41, 28,105,346.85 and 12,924,487.08

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Solution

The fourth proportional to 18,761,332.41, 28,105,346.85 and 12,924,487.08 is: 19,361,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,761,332.41 : 28,105,346.85 = 12,924,487.08 : x
  2. Step 2: Convert to fraction form
    18,761,332.41/28,105,346.85 = 12,924,487.08/x
  3. Step 3: Cross multiply
    18,761,332.41x = 28,105,346.85 × 12,924,487.08
  4. Step 4: Simplify right side
    18,761,332.41x = 363,247,192,241,743.75
  5. Step 5: Solve for x
    x = 363,247,192,241,743.75/18,761,332.41
  6. Step 6: Final answer
    x = 19,361,481.60

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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.