Home / 11,718,160.86-16,171,191.34-6,491,249.10

Finding the Fourth Proportional to 11,718,160.86, 16,171,191.34 and 6,491,249.10

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Solution

The fourth proportional to 11,718,160.86, 16,171,191.34 and 6,491,249.10 is: 8,957,995.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718,160.86 : 16,171,191.34 = 6,491,249.10 : x
  2. Step 2: Convert to fraction form
    11,718,160.86/16,171,191.34 = 6,491,249.10/x
  3. Step 3: Cross multiply
    11,718,160.86x = 16,171,191.34 × 6,491,249.10
  4. Step 4: Simplify right side
    11,718,160.86x = 104,971,231,231,702.78
  5. Step 5: Solve for x
    x = 104,971,231,231,702.78/11,718,160.86
  6. Step 6: Final answer
    x = 8,957,995.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.