Home / 10,922,517.70-15,078,740.85-7,979,029.61

Finding the Fourth Proportional to 10,922,517.70, 15,078,740.85 and 7,979,029.61

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Solution

The fourth proportional to 10,922,517.70, 15,078,740.85 and 7,979,029.61 is: 11,015,200.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922,517.70 : 15,078,740.85 = 7,979,029.61 : x
  2. Step 2: Convert to fraction form
    10,922,517.70/15,078,740.85 = 7,979,029.61/x
  3. Step 3: Cross multiply
    10,922,517.70x = 15,078,740.85 × 7,979,029.61
  4. Step 4: Simplify right side
    10,922,517.70x = 120,313,719,781,116.97
  5. Step 5: Solve for x
    x = 120,313,719,781,116.97/10,922,517.70
  6. Step 6: Final answer
    x = 11,015,200.26

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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.