Home / 28,612,793.70-42,919,190.64-23,543,601.12

Finding the Fourth Proportional to 28,612,793.70, 42,919,190.64 and 23,543,601.12

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Solution

The fourth proportional to 28,612,793.70, 42,919,190.64 and 23,543,601.12 is: 35,315,401.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,612,793.70 : 42,919,190.64 = 23,543,601.12 : x
  2. Step 2: Convert to fraction form
    28,612,793.70/42,919,190.64 = 23,543,601.12/x
  3. Step 3: Cross multiply
    28,612,793.70x = 42,919,190.64 × 23,543,601.12
  4. Step 4: Simplify right side
    28,612,793.70x = 1,010,472,304,821,397.62
  5. Step 5: Solve for x
    x = 1,010,472,304,821,397.62/28,612,793.70
  6. Step 6: Final answer
    x = 35,315,401.75

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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.