Home / 18,661,873.77-27,988,611.62-6,694,609.77

Finding the Fourth Proportional to 18,661,873.77, 27,988,611.62 and 6,694,609.77

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Solution

The fourth proportional to 18,661,873.77, 27,988,611.62 and 6,694,609.77 is: 10,040,408.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,661,873.77 : 27,988,611.62 = 6,694,609.77 : x
  2. Step 2: Convert to fraction form
    18,661,873.77/27,988,611.62 = 6,694,609.77/x
  3. Step 3: Cross multiply
    18,661,873.77x = 27,988,611.62 × 6,694,609.77
  4. Step 4: Simplify right side
    18,661,873.77x = 187,372,832,766,514.47
  5. Step 5: Solve for x
    x = 187,372,832,766,514.47/18,661,873.77
  6. Step 6: Final answer
    x = 10,040,408.33

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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.