Home / 33,212,515.70-49,818,773.55-20,391,446.90

Finding the Fourth Proportional to 33,212,515.70, 49,818,773.55 and 20,391,446.90

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Solution

The fourth proportional to 33,212,515.70, 49,818,773.55 and 20,391,446.90 is: 30,587,170.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,212,515.70 : 49,818,773.55 = 20,391,446.90 : x
  2. Step 2: Convert to fraction form
    33,212,515.70/49,818,773.55 = 20,391,446.90/x
  3. Step 3: Cross multiply
    33,212,515.70x = 49,818,773.55 × 20,391,446.90
  4. Step 4: Simplify right side
    33,212,515.70x = 1,015,876,875,467,949.38
  5. Step 5: Solve for x
    x = 1,015,876,875,467,949.38/33,212,515.70
  6. Step 6: Final answer
    x = 30,587,170.35

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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.