Home / 13,836,140.30-20,763,067.80-8,078,862.80

Finding the Fourth Proportional to 13,836,140.30, 20,763,067.80 and 8,078,862.80

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Solution

The fourth proportional to 13,836,140.30, 20,763,067.80 and 8,078,862.80 is: 12,123,465.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836,140.30 : 20,763,067.80 = 8,078,862.80 : x
  2. Step 2: Convert to fraction form
    13,836,140.30/20,763,067.80 = 8,078,862.80/x
  3. Step 3: Cross multiply
    13,836,140.30x = 20,763,067.80 × 8,078,862.80
  4. Step 4: Simplify right side
    13,836,140.30x = 167,741,976,063,297.84
  5. Step 5: Solve for x
    x = 167,741,976,063,297.84/13,836,140.30
  6. Step 6: Final answer
    x = 12,123,465.97

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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.