Home / 18,986,057.91-26,200,144.87-10,613,204.96

Finding the Fourth Proportional to 18,986,057.91, 26,200,144.87 and 10,613,204.96

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Solution

The fourth proportional to 18,986,057.91, 26,200,144.87 and 10,613,204.96 is: 14,645,879.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,986,057.91 : 26,200,144.87 = 10,613,204.96 : x
  2. Step 2: Convert to fraction form
    18,986,057.91/26,200,144.87 = 10,613,204.96/x
  3. Step 3: Cross multiply
    18,986,057.91x = 26,200,144.87 × 10,613,204.96
  4. Step 4: Simplify right side
    18,986,057.91x = 278,067,507,329,468.81
  5. Step 5: Solve for x
    x = 278,067,507,329,468.81/18,986,057.91
  6. Step 6: Final answer
    x = 14,645,879.03

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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.