Home / 21,691,047.60-29,934,196.60-11,901,489.20

Finding the Fourth Proportional to 21,691,047.60, 29,934,196.60 and 11,901,489.20

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Solution

The fourth proportional to 21,691,047.60, 29,934,196.60 and 11,901,489.20 is: 16,424,357.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,691,047.60 : 29,934,196.60 = 11,901,489.20 : x
  2. Step 2: Convert to fraction form
    21,691,047.60/29,934,196.60 = 11,901,489.20/x
  3. Step 3: Cross multiply
    21,691,047.60x = 29,934,196.60 × 11,901,489.20
  4. Step 4: Simplify right side
    21,691,047.60x = 356,261,517,545,576.69
  5. Step 5: Solve for x
    x = 356,261,517,545,576.69/21,691,047.60
  6. Step 6: Final answer
    x = 16,424,357.37

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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.