Home / 7,912,781.44-11,867,511.38-2,231,677.15

Finding the Fourth Proportional to 7,912,781.44, 11,867,511.38 and 2,231,677.15

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Solution

The fourth proportional to 7,912,781.44, 11,867,511.38 and 2,231,677.15 is: 3,347,047.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912,781.44 : 11,867,511.38 = 2,231,677.15 : x
  2. Step 2: Convert to fraction form
    7,912,781.44/11,867,511.38 = 2,231,677.15/x
  3. Step 3: Cross multiply
    7,912,781.44x = 11,867,511.38 × 2,231,677.15
  4. Step 4: Simplify right side
    7,912,781.44x = 26,484,453,974,110.97
  5. Step 5: Solve for x
    x = 26,484,453,974,110.97/7,912,781.44
  6. Step 6: Final answer
    x = 3,347,047.33

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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.