Home / 7,382,040.20-11,073,060.30-3,400,728.20

Finding the Fourth Proportional to 7,382,040.20, 11,073,060.30 and 3,400,728.20

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Solution

The fourth proportional to 7,382,040.20, 11,073,060.30 and 3,400,728.20 is: 5,101,092.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382,040.20 : 11,073,060.30 = 3,400,728.20 : x
  2. Step 2: Convert to fraction form
    7,382,040.20/11,073,060.30 = 3,400,728.20/x
  3. Step 3: Cross multiply
    7,382,040.20x = 11,073,060.30 × 3,400,728.20
  4. Step 4: Simplify right side
    7,382,040.20x = 37,656,468,422,510.46
  5. Step 5: Solve for x
    x = 37,656,468,422,510.46/7,382,040.20
  6. Step 6: Final answer
    x = 5,101,092.30

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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.