Home / 21,517,720.52-29,694,193.02-11,728,134.44

Finding the Fourth Proportional to 21,517,720.52, 29,694,193.02 and 11,728,134.44

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Solution

The fourth proportional to 21,517,720.52, 29,694,193.02 and 11,728,134.44 is: 16,184,683.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,517,720.52 : 29,694,193.02 = 11,728,134.44 : x
  2. Step 2: Convert to fraction form
    21,517,720.52/29,694,193.02 = 11,728,134.44/x
  3. Step 3: Cross multiply
    21,517,720.52x = 29,694,193.02 × 11,728,134.44
  4. Step 4: Simplify right side
    21,517,720.52x = 348,257,487,825,869.56
  5. Step 5: Solve for x
    x = 348,257,487,825,869.56/21,517,720.52
  6. Step 6: Final answer
    x = 16,184,683.11

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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.