Home / 20,682,067.40-31,023,101.10-13,746,762.36

Finding the Fourth Proportional to 20,682,067.40, 31,023,101.10 and 13,746,762.36

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Solution

The fourth proportional to 20,682,067.40, 31,023,101.10 and 13,746,762.36 is: 20,620,143.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,682,067.40 : 31,023,101.10 = 13,746,762.36 : x
  2. Step 2: Convert to fraction form
    20,682,067.40/31,023,101.10 = 13,746,762.36/x
  3. Step 3: Cross multiply
    20,682,067.40x = 31,023,101.10 × 13,746,762.36
  4. Step 4: Simplify right side
    20,682,067.40x = 426,467,198,491,954.62
  5. Step 5: Solve for x
    x = 426,467,198,491,954.62/20,682,067.40
  6. Step 6: Final answer
    x = 20,620,143.54

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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.