Home / 18,113,857.80-27,170,786.70-12,067,240.20

Finding the Fourth Proportional to 18,113,857.80, 27,170,786.70 and 12,067,240.20

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Solution

The fourth proportional to 18,113,857.80, 27,170,786.70 and 12,067,240.20 is: 18,100,860.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,113,857.80 : 27,170,786.70 = 12,067,240.20 : x
  2. Step 2: Convert to fraction form
    18,113,857.80/27,170,786.70 = 12,067,240.20/x
  3. Step 3: Cross multiply
    18,113,857.80x = 27,170,786.70 × 12,067,240.20
  4. Step 4: Simplify right side
    18,113,857.80x = 327,876,409,531,865.31
  5. Step 5: Solve for x
    x = 327,876,409,531,865.31/18,113,857.80
  6. Step 6: Final answer
    x = 18,100,860.30

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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.