Home / 19,469,657.28-26,876,400.24-12,131,116.16

Finding the Fourth Proportional to 19,469,657.28, 26,876,400.24 and 12,131,116.16

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Solution

The fourth proportional to 19,469,657.28, 26,876,400.24 and 12,131,116.16 is: 16,746,095.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,469,657.28 : 26,876,400.24 = 12,131,116.16 : x
  2. Step 2: Convert to fraction form
    19,469,657.28/26,876,400.24 = 12,131,116.16/x
  3. Step 3: Cross multiply
    19,469,657.28x = 26,876,400.24 × 12,131,116.16
  4. Step 4: Simplify right side
    19,469,657.28x = 326,040,733,274,091.88
  5. Step 5: Solve for x
    x = 326,040,733,274,091.88/19,469,657.28
  6. Step 6: Final answer
    x = 16,746,095.15

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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.