Home / 12,442,072-18,663,108.24-2,986,456

Finding the Fourth Proportional to 12,442,072, 18,663,108.24 and 2,986,456

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Solution

The fourth proportional to 12,442,072, 18,663,108.24 and 2,986,456 is: 4,479,684.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,442,072 : 18,663,108.24 = 2,986,456 : x
  2. Step 2: Convert to fraction form
    12,442,072/18,663,108.24 = 2,986,456/x
  3. Step 3: Cross multiply
    12,442,072x = 18,663,108.24 × 2,986,456
  4. Step 4: Simplify right side
    12,442,072x = 55,736,551,581,997.44
  5. Step 5: Solve for x
    x = 55,736,551,581,997.44/12,442,072
  6. Step 6: Final answer
    x = 4,479,684.06

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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.