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Finding the Fourth Proportional to 17,458,728.88, 24,093,793.64 and 9,723,773.20

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Solution

The fourth proportional to 17,458,728.88, 24,093,793.64 and 9,723,773.20 is: 13,419,223.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,458,728.88 : 24,093,793.64 = 9,723,773.20 : x
  2. Step 2: Convert to fraction form
    17,458,728.88/24,093,793.64 = 9,723,773.20/x
  3. Step 3: Cross multiply
    17,458,728.88x = 24,093,793.64 × 9,723,773.20
  4. Step 4: Simplify right side
    17,458,728.88x = 234,282,584,882,962.44
  5. Step 5: Solve for x
    x = 234,282,584,882,962.44/17,458,728.88
  6. Step 6: Final answer
    x = 13,419,223.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.