Home / 21,740,837.50-30,002,734.83-11,951,694.28

Finding the Fourth Proportional to 21,740,837.50, 30,002,734.83 and 11,951,694.28

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Solution

The fourth proportional to 21,740,837.50, 30,002,734.83 and 11,951,694.28 is: 16,493,546.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,740,837.50 : 30,002,734.83 = 11,951,694.28 : x
  2. Step 2: Convert to fraction form
    21,740,837.50/30,002,734.83 = 11,951,694.28/x
  3. Step 3: Cross multiply
    21,740,837.50x = 30,002,734.83 × 11,951,694.28
  4. Step 4: Simplify right side
    21,740,837.50x = 358,583,514,252,067.75
  5. Step 5: Solve for x
    x = 358,583,514,252,067.75/21,740,837.50
  6. Step 6: Final answer
    x = 16,493,546.50

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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.