Home / 38,508,715.10-57,781,756.16-16,940,514.32

Finding the Fourth Proportional to 38,508,715.10, 57,781,756.16 and 16,940,514.32

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Solution

The fourth proportional to 38,508,715.10, 57,781,756.16 and 16,940,514.32 is: 25,418,990.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,508,715.10 : 57,781,756.16 = 16,940,514.32 : x
  2. Step 2: Convert to fraction form
    38,508,715.10/57,781,756.16 = 16,940,514.32/x
  3. Step 3: Cross multiply
    38,508,715.10x = 57,781,756.16 × 16,940,514.32
  4. Step 4: Simplify right side
    38,508,715.10x = 978,852,667,665,115.88
  5. Step 5: Solve for x
    x = 978,852,667,665,115.88/38,508,715.10
  6. Step 6: Final answer
    x = 25,418,990.61

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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.