Home / 7,972,330.80-11,958,496.20-7,762,378.80

Finding the Fourth Proportional to 7,972,330.80, 11,958,496.20 and 7,762,378.80

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Solution

The fourth proportional to 7,972,330.80, 11,958,496.20 and 7,762,378.80 is: 11,643,568.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972,330.80 : 11,958,496.20 = 7,762,378.80 : x
  2. Step 2: Convert to fraction form
    7,972,330.80/11,958,496.20 = 7,762,378.80/x
  3. Step 3: Cross multiply
    7,972,330.80x = 11,958,496.20 × 7,762,378.80
  4. Step 4: Simplify right side
    7,972,330.80x = 92,826,377,382,760.55
  5. Step 5: Solve for x
    x = 92,826,377,382,760.55/7,972,330.80
  6. Step 6: Final answer
    x = 11,643,568.20

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Double scale
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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.