Home / 11,718,134.68-16,171,155.18-6,491,222.91

Finding the Fourth Proportional to 11,718,134.68, 16,171,155.18 and 6,491,222.91

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Solution

The fourth proportional to 11,718,134.68, 16,171,155.18 and 6,491,222.91 is: 8,957,959.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718,134.68 : 16,171,155.18 = 6,491,222.91 : x
  2. Step 2: Convert to fraction form
    11,718,134.68/16,171,155.18 = 6,491,222.91/x
  3. Step 3: Cross multiply
    11,718,134.68x = 16,171,155.18 × 6,491,222.91
  4. Step 4: Simplify right side
    11,718,134.68x = 104,970,572,985,581.17
  5. Step 5: Solve for x
    x = 104,970,572,985,581.17/11,718,134.68
  6. Step 6: Final answer
    x = 8,957,959.25

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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.