Home / 21,517,718.52-29,694,190.26-11,728,132.44

Finding the Fourth Proportional to 21,517,718.52, 29,694,190.26 and 11,728,132.44

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Solution

The fourth proportional to 21,517,718.52, 29,694,190.26 and 11,728,132.44 is: 16,184,680.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,517,718.52 : 29,694,190.26 = 11,728,132.44 : x
  2. Step 2: Convert to fraction form
    21,517,718.52/29,694,190.26 = 11,728,132.44/x
  3. Step 3: Cross multiply
    21,517,718.52x = 29,694,190.26 × 11,728,132.44
  4. Step 4: Simplify right side
    21,517,718.52x = 348,257,396,067,838.06
  5. Step 5: Solve for x
    x = 348,257,396,067,838.06/21,517,718.52
  6. Step 6: Final answer
    x = 16,184,680.35

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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.