Home / 19,213,067.11-28,819,565.12-6,259,202.30

Finding the Fourth Proportional to 19,213,067.11, 28,819,565.12 and 6,259,202.30

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Solution

The fourth proportional to 19,213,067.11, 28,819,565.12 and 6,259,202.30 is: 9,388,791.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,213,067.11 : 28,819,565.12 = 6,259,202.30 : x
  2. Step 2: Convert to fraction form
    19,213,067.11/28,819,565.12 = 6,259,202.30/x
  3. Step 3: Cross multiply
    19,213,067.11x = 28,819,565.12 × 6,259,202.30
  4. Step 4: Simplify right side
    19,213,067.11x = 180,387,488,284,103.78
  5. Step 5: Solve for x
    x = 180,387,488,284,103.78/19,213,067.11
  6. Step 6: Final answer
    x = 9,388,791.87

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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.