Home / 22,055,221.92-33,078,471.60-20,961,531.84

Finding the Fourth Proportional to 22,055,221.92, 33,078,471.60 and 20,961,531.84

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Solution

The fourth proportional to 22,055,221.92, 33,078,471.60 and 20,961,531.84 is: 31,438,152.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,055,221.92 : 33,078,471.60 = 20,961,531.84 : x
  2. Step 2: Convert to fraction form
    22,055,221.92/33,078,471.60 = 20,961,531.84/x
  3. Step 3: Cross multiply
    22,055,221.92x = 33,078,471.60 × 20,961,531.84
  4. Step 4: Simplify right side
    22,055,221.92x = 693,375,435,661,935.75
  5. Step 5: Solve for x
    x = 693,375,435,661,935.75/22,055,221.92
  6. Step 6: Final answer
    x = 31,438,152.75

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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.