Home / 12,223,150.39-16,856,385.27-8,029,431.28

Finding the Fourth Proportional to 12,223,150.39, 16,856,385.27 and 8,029,431.28

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Solution

The fourth proportional to 12,223,150.39, 16,856,385.27 and 8,029,431.28 is: 11,073,019.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223,150.39 : 16,856,385.27 = 8,029,431.28 : x
  2. Step 2: Convert to fraction form
    12,223,150.39/16,856,385.27 = 8,029,431.28/x
  3. Step 3: Cross multiply
    12,223,150.39x = 16,856,385.27 × 8,029,431.28
  4. Step 4: Simplify right side
    12,223,150.39x = 135,347,187,070,387.33
  5. Step 5: Solve for x
    x = 135,347,187,070,387.33/12,223,150.39
  6. Step 6: Final answer
    x = 11,073,019.87

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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.