Home / 20,269,755.93-30,404,633.91-5,123,687.43

Finding the Fourth Proportional to 20,269,755.93, 30,404,633.91 and 5,123,687.43

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Solution

The fourth proportional to 20,269,755.93, 30,404,633.91 and 5,123,687.43 is: 7,685,531.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269,755.93 : 30,404,633.91 = 5,123,687.43 : x
  2. Step 2: Convert to fraction form
    20,269,755.93/30,404,633.91 = 5,123,687.43/x
  3. Step 3: Cross multiply
    20,269,755.93x = 30,404,633.91 × 5,123,687.43
  4. Step 4: Simplify right side
    20,269,755.93x = 155,783,840,578,418.75
  5. Step 5: Solve for x
    x = 155,783,840,578,418.75/20,269,755.93
  6. Step 6: Final answer
    x = 7,685,531.15

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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.