Home / 21,517,025.08-29,694,116.93-11,728,103.30

Finding the Fourth Proportional to 21,517,025.08, 29,694,116.93 and 11,728,103.30

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Solution

The fourth proportional to 21,517,025.08, 29,694,116.93 and 11,728,103.30 is: 16,185,121.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,517,025.08 : 29,694,116.93 = 11,728,103.30 : x
  2. Step 2: Convert to fraction form
    21,517,025.08/29,694,116.93 = 11,728,103.30/x
  3. Step 3: Cross multiply
    21,517,025.08x = 29,694,116.93 × 11,728,103.30
  4. Step 4: Simplify right side
    21,517,025.08x = 348,255,670,757,318.88
  5. Step 5: Solve for x
    x = 348,255,670,757,318.88/21,517,025.08
  6. Step 6: Final answer
    x = 16,185,121.76

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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.