Home / 19,469,947.83-26,876,801.04-12,131,406.78

Finding the Fourth Proportional to 19,469,947.83, 26,876,801.04 and 12,131,406.78

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Solution

The fourth proportional to 19,469,947.83, 26,876,801.04 and 12,131,406.78 is: 16,746,496.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,469,947.83 : 26,876,801.04 = 12,131,406.78 : x
  2. Step 2: Convert to fraction form
    19,469,947.83/26,876,801.04 = 12,131,406.78/x
  3. Step 3: Cross multiply
    19,469,947.83x = 26,876,801.04 × 12,131,406.78
  4. Step 4: Simplify right side
    19,469,947.83x = 326,053,406,361,367
  5. Step 5: Solve for x
    x = 326,053,406,361,367/19,469,947.83
  6. Step 6: Final answer
    x = 16,746,496.15

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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.