Home / 6,721,806.80-10,082,710.20-5,540,826.80

Finding the Fourth Proportional to 6,721,806.80, 10,082,710.20 and 5,540,826.80

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Solution

The fourth proportional to 6,721,806.80, 10,082,710.20 and 5,540,826.80 is: 8,311,240.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721,806.80 : 10,082,710.20 = 5,540,826.80 : x
  2. Step 2: Convert to fraction form
    6,721,806.80/10,082,710.20 = 5,540,826.80/x
  3. Step 3: Cross multiply
    6,721,806.80x = 10,082,710.20 × 5,540,826.80
  4. Step 4: Simplify right side
    6,721,806.80x = 55,866,550,892,793.35
  5. Step 5: Solve for x
    x = 55,866,550,892,793.35/6,721,806.80
  6. Step 6: Final answer
    x = 8,311,240.20

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Double scale
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Similar ratio
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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.