Home / 8,143,928.09-12,213,179.53-3,284,979.67

Finding the Fourth Proportional to 8,143,928.09, 12,213,179.53 and 3,284,979.67

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Solution

The fourth proportional to 8,143,928.09, 12,213,179.53 and 3,284,979.67 is: 4,926,375.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,928.09 : 12,213,179.53 = 3,284,979.67 : x
  2. Step 2: Convert to fraction form
    8,143,928.09/12,213,179.53 = 3,284,979.67/x
  3. Step 3: Cross multiply
    8,143,928.09x = 12,213,179.53 × 3,284,979.67
  4. Step 4: Simplify right side
    8,143,928.09x = 40,120,046,469,164.18
  5. Step 5: Solve for x
    x = 40,120,046,469,164.18/8,143,928.09
  6. Step 6: Final answer
    x = 4,926,375.34

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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.