Home / 33,215,101.70-49,822,652.55-20,394,032.90

Finding the Fourth Proportional to 33,215,101.70, 49,822,652.55 and 20,394,032.90

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Solution

The fourth proportional to 33,215,101.70, 49,822,652.55 and 20,394,032.90 is: 30,591,049.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,215,101.70 : 49,822,652.55 = 20,394,032.90 : x
  2. Step 2: Convert to fraction form
    33,215,101.70/49,822,652.55 = 20,394,032.90/x
  3. Step 3: Cross multiply
    33,215,101.70x = 49,822,652.55 × 20,394,032.90
  4. Step 4: Simplify right side
    33,215,101.70x = 1,016,084,815,269,968.75
  5. Step 5: Solve for x
    x = 1,016,084,815,269,968.75/33,215,101.70
  6. Step 6: Final answer
    x = 30,591,049.35

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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.