Home / 18,343,896.20-27,515,844.30-10,381,272.20

Finding the Fourth Proportional to 18,343,896.20, 27,515,844.30 and 10,381,272.20

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Solution

The fourth proportional to 18,343,896.20, 27,515,844.30 and 10,381,272.20 is: 15,571,908.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,343,896.20 : 27,515,844.30 = 10,381,272.20 : x
  2. Step 2: Convert to fraction form
    18,343,896.20/27,515,844.30 = 10,381,272.20/x
  3. Step 3: Cross multiply
    18,343,896.20x = 27,515,844.30 × 10,381,272.20
  4. Step 4: Simplify right side
    18,343,896.20x = 285,649,469,491,118.44
  5. Step 5: Solve for x
    x = 285,649,469,491,118.44/18,343,896.20
  6. Step 6: Final answer
    x = 15,571,908.30

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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.