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Finding the Fourth Proportional to 43,797,168.72, 65,699,490.02 and 11,449,019.39

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Solution

The fourth proportional to 43,797,168.72, 65,699,490.02 and 11,449,019.39 is: 17,174,505.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,797,168.72 : 65,699,490.02 = 11,449,019.39 : x
  2. Step 2: Convert to fraction form
    43,797,168.72/65,699,490.02 = 11,449,019.39/x
  3. Step 3: Cross multiply
    43,797,168.72x = 65,699,490.02 × 11,449,019.39
  4. Step 4: Simplify right side
    43,797,168.72x = 752,194,734,766,348.88
  5. Step 5: Solve for x
    x = 752,194,734,766,348.88/43,797,168.72
  6. Step 6: Final answer
    x = 17,174,505.95

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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.