Home / 26,990,299.52-40,452,921.97-12,397,081.38

Finding the Fourth Proportional to 26,990,299.52, 40,452,921.97 and 12,397,081.38

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Solution

The fourth proportional to 26,990,299.52, 40,452,921.97 and 12,397,081.38 is: 18,580,681.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,990,299.52 : 40,452,921.97 = 12,397,081.38 : x
  2. Step 2: Convert to fraction form
    26,990,299.52/40,452,921.97 = 12,397,081.38/x
  3. Step 3: Cross multiply
    26,990,299.52x = 40,452,921.97 × 12,397,081.38
  4. Step 4: Simplify right side
    26,990,299.52x = 501,498,165,720,879.94
  5. Step 5: Solve for x
    x = 501,498,165,720,879.94/26,990,299.52
  6. Step 6: Final answer
    x = 18,580,681.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.