Home / 7,381,478.20-11,072,217.30-6,187,084.60

Finding the Fourth Proportional to 7,381,478.20, 11,072,217.30 and 6,187,084.60

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Solution

The fourth proportional to 7,381,478.20, 11,072,217.30 and 6,187,084.60 is: 9,280,626.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,478.20 : 11,072,217.30 = 6,187,084.60 : x
  2. Step 2: Convert to fraction form
    7,381,478.20/11,072,217.30 = 6,187,084.60/x
  3. Step 3: Cross multiply
    7,381,478.20x = 11,072,217.30 × 6,187,084.60
  4. Step 4: Simplify right side
    7,381,478.20x = 68,504,745,144,683.58
  5. Step 5: Solve for x
    x = 68,504,745,144,683.58/7,381,478.20
  6. Step 6: Final answer
    x = 9,280,626.90

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Similar ratio
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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.