Home / 6,918,308.91-9,546,638.00-3,861,960.75

Finding the Fourth Proportional to 6,918,308.91, 9,546,638.00 and 3,861,960.75

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Solution

The fourth proportional to 6,918,308.91, 9,546,638.00 and 3,861,960.75 is: 5,329,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918,308.91 : 9,546,638.00 = 3,861,960.75 : x
  2. Step 2: Convert to fraction form
    6,918,308.91/9,546,638.00 = 3,861,960.75/x
  3. Step 3: Cross multiply
    6,918,308.91x = 9,546,638.00 × 3,861,960.75
  4. Step 4: Simplify right side
    6,918,308.91x = 36,868,741,231,148.70
  5. Step 5: Solve for x
    x = 36,868,741,231,148.70/6,918,308.91
  6. Step 6: Final answer
    x = 5,329,155.10

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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.