Home / 12,115,194.80-18,172,950.49-4,028,170.43

Finding the Fourth Proportional to 12,115,194.80, 18,172,950.49 and 4,028,170.43

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Solution

The fourth proportional to 12,115,194.80, 18,172,950.49 and 4,028,170.43 is: 6,042,308.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,115,194.80 : 18,172,950.49 = 4,028,170.43 : x
  2. Step 2: Convert to fraction form
    12,115,194.80/18,172,950.49 = 4,028,170.43/x
  3. Step 3: Cross multiply
    12,115,194.80x = 18,172,950.49 × 4,028,170.43
  4. Step 4: Simplify right side
    12,115,194.80x = 73,203,741,825,033.97
  5. Step 5: Solve for x
    x = 73,203,741,825,033.97/12,115,194.80
  6. Step 6: Final answer
    x = 6,042,308.28

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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.