Home / 33,687,221.76-50,530,363.20-8,128,016.64

Finding the Fourth Proportional to 33,687,221.76, 50,530,363.20 and 8,128,016.64

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Solution

The fourth proportional to 33,687,221.76, 50,530,363.20 and 8,128,016.64 is: 12,191,911.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,687,221.76 : 50,530,363.20 = 8,128,016.64 : x
  2. Step 2: Convert to fraction form
    33,687,221.76/50,530,363.20 = 8,128,016.64/x
  3. Step 3: Cross multiply
    33,687,221.76x = 50,530,363.20 × 8,128,016.64
  4. Step 4: Simplify right side
    33,687,221.76x = 410,711,632,914,843.62
  5. Step 5: Solve for x
    x = 410,711,632,914,843.62/33,687,221.76
  6. Step 6: Final answer
    x = 12,191,911.69

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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.