Home / 18,120,623.78-27,185,192.12-5,990,086.56

Finding the Fourth Proportional to 18,120,623.78, 27,185,192.12 and 5,990,086.56

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Solution

The fourth proportional to 18,120,623.78, 27,185,192.12 and 5,990,086.56 is: 8,986,536.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,120,623.78 : 27,185,192.12 = 5,990,086.56 : x
  2. Step 2: Convert to fraction form
    18,120,623.78/27,185,192.12 = 5,990,086.56/x
  3. Step 3: Cross multiply
    18,120,623.78x = 27,185,192.12 × 5,990,086.56
  4. Step 4: Simplify right side
    18,120,623.78x = 162,841,653,949,029.91
  5. Step 5: Solve for x
    x = 162,841,653,949,029.91/18,120,623.78
  6. Step 6: Final answer
    x = 8,986,536.88

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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.