Home / 18,469,716.48-25,481,994.84-11,951,592.64

Finding the Fourth Proportional to 18,469,716.48, 25,481,994.84 and 11,951,592.64

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Solution

The fourth proportional to 18,469,716.48, 25,481,994.84 and 11,951,592.64 is: 16,489,176.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,469,716.48 : 25,481,994.84 = 11,951,592.64 : x
  2. Step 2: Convert to fraction form
    18,469,716.48/25,481,994.84 = 11,951,592.64/x
  3. Step 3: Cross multiply
    18,469,716.48x = 25,481,994.84 × 11,951,592.64
  4. Step 4: Simplify right side
    18,469,716.48x = 304,550,421,982,262
  5. Step 5: Solve for x
    x = 304,550,421,982,262/18,469,716.48
  6. Step 6: Final answer
    x = 16,489,176.88

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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.