Home / 11,718,134.43-16,171,154.85-6,491,222.66

Finding the Fourth Proportional to 11,718,134.43, 16,171,154.85 and 6,491,222.66

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Solution

The fourth proportional to 11,718,134.43, 16,171,154.85 and 6,491,222.66 is: 8,957,958.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718,134.43 : 16,171,154.85 = 6,491,222.66 : x
  2. Step 2: Convert to fraction form
    11,718,134.43/16,171,154.85 = 6,491,222.66/x
  3. Step 3: Cross multiply
    11,718,134.43x = 16,171,154.85 × 6,491,222.66
  4. Step 4: Simplify right side
    11,718,134.43x = 104,970,566,800,688.91
  5. Step 5: Solve for x
    x = 104,970,566,800,688.91/11,718,134.43
  6. Step 6: Final answer
    x = 8,957,958.92

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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.