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Finding the Fourth Proportional to 16,612,893.60, 22,930,696.08 and 9,738,863.52

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Solution

The fourth proportional to 16,612,893.60, 22,930,696.08 and 9,738,863.52 is: 13,442,505.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,612,893.60 : 22,930,696.08 = 9,738,863.52 : x
  2. Step 2: Convert to fraction form
    16,612,893.60/22,930,696.08 = 9,738,863.52/x
  3. Step 3: Cross multiply
    16,612,893.60x = 22,930,696.08 × 9,738,863.52
  4. Step 4: Simplify right side
    16,612,893.60x = 223,318,919,541,718.97
  5. Step 5: Solve for x
    x = 223,318,919,541,718.97/16,612,893.60
  6. Step 6: Final answer
    x = 13,442,505.86

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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.