Home / 7,487,487.20-11,231,230.80-7,193,554.40

Finding the Fourth Proportional to 7,487,487.20, 11,231,230.80 and 7,193,554.40

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Solution

The fourth proportional to 7,487,487.20, 11,231,230.80 and 7,193,554.40 is: 10,790,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487,487.20 : 11,231,230.80 = 7,193,554.40 : x
  2. Step 2: Convert to fraction form
    7,487,487.20/11,231,230.80 = 7,193,554.40/x
  3. Step 3: Cross multiply
    7,487,487.20x = 11,231,230.80 × 7,193,554.40
  4. Step 4: Simplify right side
    7,487,487.20x = 80,792,469,738,755.53
  5. Step 5: Solve for x
    x = 80,792,469,738,755.53/7,487,487.20
  6. Step 6: Final answer
    x = 10,790,331.60

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1.5x scale

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.