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Finding the Fourth Proportional to 17,297,229.97, 23,868,978.55 and 9,561,663.35

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Solution

The fourth proportional to 17,297,229.97, 23,868,978.55 and 9,561,663.35 is: 13,194,432.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,297,229.97 : 23,868,978.55 = 9,561,663.35 : x
  2. Step 2: Convert to fraction form
    17,297,229.97/23,868,978.55 = 9,561,663.35/x
  3. Step 3: Cross multiply
    17,297,229.97x = 23,868,978.55 × 9,561,663.35
  4. Step 4: Simplify right side
    17,297,229.97x = 228,227,137,260,222.09
  5. Step 5: Solve for x
    x = 228,227,137,260,222.09/17,297,229.97
  6. Step 6: Final answer
    x = 13,194,432.73

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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.