Home / 18,441,690-27,664,743.96-5,660,520.72

Finding the Fourth Proportional to 18,441,690, 27,664,743.96 and 5,660,520.72

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Solution

The fourth proportional to 18,441,690, 27,664,743.96 and 5,660,520.72 is: 8,491,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441,690 : 27,664,743.96 = 5,660,520.72 : x
  2. Step 2: Convert to fraction form
    18,441,690/27,664,743.96 = 5,660,520.72/x
  3. Step 3: Cross multiply
    18,441,690x = 27,664,743.96 × 5,660,520.72
  4. Step 4: Simplify right side
    18,441,690x = 156,596,856,399,074.84
  5. Step 5: Solve for x
    x = 156,596,856,399,074.84/18,441,690
  6. Step 6: Final answer
    x = 8,491,459.10

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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.