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Finding the Fourth Proportional to 18,468,003.70, 27,702,005.55 and 8,902,065.70

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Solution

The fourth proportional to 18,468,003.70, 27,702,005.55 and 8,902,065.70 is: 13,353,098.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468,003.70 : 27,702,005.55 = 8,902,065.70 : x
  2. Step 2: Convert to fraction form
    18,468,003.70/27,702,005.55 = 8,902,065.70/x
  3. Step 3: Cross multiply
    18,468,003.70x = 27,702,005.55 × 8,902,065.70
  4. Step 4: Simplify right side
    18,468,003.70x = 246,605,073,427,864.62
  5. Step 5: Solve for x
    x = 246,605,073,427,864.62/18,468,003.70
  6. Step 6: Final answer
    x = 13,353,098.55

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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.