Home / 11,718,152.78-16,171,180.11-6,491,241

Finding the Fourth Proportional to 11,718,152.78, 16,171,180.11 and 6,491,241

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Solution

The fourth proportional to 11,718,152.78, 16,171,180.11 and 6,491,241 is: 8,957,984.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718,152.78 : 16,171,180.11 = 6,491,241 : x
  2. Step 2: Convert to fraction form
    11,718,152.78/16,171,180.11 = 6,491,241/x
  3. Step 3: Cross multiply
    11,718,152.78x = 16,171,180.11 × 6,491,241
  4. Step 4: Simplify right side
    11,718,152.78x = 104,971,027,348,416.50
  5. Step 5: Solve for x
    x = 104,971,027,348,416.50/11,718,152.78
  6. Step 6: Final answer
    x = 8,957,984.19

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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.