Home / 31,568,206-43,571,404.22-18,519,656.80

Finding the Fourth Proportional to 31,568,206, 43,571,404.22 and 18,519,656.80

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Solution

The fourth proportional to 31,568,206, 43,571,404.22 and 18,519,656.80 is: 25,561,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,568,206 : 43,571,404.22 = 18,519,656.80 : x
  2. Step 2: Convert to fraction form
    31,568,206/43,571,404.22 = 18,519,656.80/x
  3. Step 3: Cross multiply
    31,568,206x = 43,571,404.22 × 18,519,656.80
  4. Step 4: Simplify right side
    31,568,206x = 806,927,452,448,471.75
  5. Step 5: Solve for x
    x = 806,927,452,448,471.75/31,568,206
  6. Step 6: Final answer
    x = 25,561,397.20

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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.