Home / 18,986,058.34-26,200,145.47-10,613,205.38

Finding the Fourth Proportional to 18,986,058.34, 26,200,145.47 and 10,613,205.38

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Solution

The fourth proportional to 18,986,058.34, 26,200,145.47 and 10,613,205.38 is: 14,645,879.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,986,058.34 : 26,200,145.47 = 10,613,205.38 : x
  2. Step 2: Convert to fraction form
    18,986,058.34/26,200,145.47 = 10,613,205.38/x
  3. Step 3: Cross multiply
    18,986,058.34x = 26,200,145.47 × 10,613,205.38
  4. Step 4: Simplify right side
    18,986,058.34x = 278,067,524,858,986.62
  5. Step 5: Solve for x
    x = 278,067,524,858,986.62/18,986,058.34
  6. Step 6: Final answer
    x = 14,645,879.62

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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.