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Finding the Fourth Proportional to 18,001,892.17, 24,842,686.94 and 9,741,954.85

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Solution

The fourth proportional to 18,001,892.17, 24,842,686.94 and 9,741,954.85 is: 13,443,938.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,001,892.17 : 24,842,686.94 = 9,741,954.85 : x
  2. Step 2: Convert to fraction form
    18,001,892.17/24,842,686.94 = 9,741,954.85/x
  3. Step 3: Cross multiply
    18,001,892.17x = 24,842,686.94 × 9,741,954.85
  4. Step 4: Simplify right side
    18,001,892.17x = 242,016,334,522,164.66
  5. Step 5: Solve for x
    x = 242,016,334,522,164.66/18,001,892.17
  6. Step 6: Final answer
    x = 13,443,938.69

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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.