Home / 21,104,344-29,123,996.64-11,936,789.44

Finding the Fourth Proportional to 21,104,344, 29,123,996.64 and 11,936,789.44

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Solution

The fourth proportional to 21,104,344, 29,123,996.64 and 11,936,789.44 is: 16,472,770.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,104,344 : 29,123,996.64 = 11,936,789.44 : x
  2. Step 2: Convert to fraction form
    21,104,344/29,123,996.64 = 11,936,789.44/x
  3. Step 3: Cross multiply
    21,104,344x = 29,123,996.64 × 11,936,789.44
  4. Step 4: Simplify right side
    21,104,344x = 347,647,015,542,947.50
  5. Step 5: Solve for x
    x = 347,647,015,542,947.50/21,104,344
  6. Step 6: Final answer
    x = 16,472,770.51

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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.