Home / 21,278,790.72-31,922,961.03-6,508,177.27

Finding the Fourth Proportional to 21,278,790.72, 31,922,961.03 and 6,508,177.27

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Solution

The fourth proportional to 21,278,790.72, 31,922,961.03 and 6,508,177.27 is: 9,763,726.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,278,790.72 : 31,922,961.03 = 6,508,177.27 : x
  2. Step 2: Convert to fraction form
    21,278,790.72/31,922,961.03 = 6,508,177.27/x
  3. Step 3: Cross multiply
    21,278,790.72x = 31,922,961.03 × 6,508,177.27
  4. Step 4: Simplify right side
    21,278,790.72x = 207,760,289,286,734.41
  5. Step 5: Solve for x
    x = 207,760,289,286,734.41/21,278,790.72
  6. Step 6: Final answer
    x = 9,763,726.33

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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.