Home / 33,215,121.60-49,822,682.40-20,394,052.80

Finding the Fourth Proportional to 33,215,121.60, 49,822,682.40 and 20,394,052.80

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Solution

The fourth proportional to 33,215,121.60, 49,822,682.40 and 20,394,052.80 is: 30,591,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,215,121.60 : 49,822,682.40 = 20,394,052.80 : x
  2. Step 2: Convert to fraction form
    33,215,121.60/49,822,682.40 = 20,394,052.80/x
  3. Step 3: Cross multiply
    33,215,121.60x = 49,822,682.40 × 20,394,052.80
  4. Step 4: Simplify right side
    33,215,121.60x = 1,016,086,415,503,230.75
  5. Step 5: Solve for x
    x = 1,016,086,415,503,230.75/33,215,121.60
  6. Step 6: Final answer
    x = 30,591,079.20

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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.