Home / 7,727,551.85-11,591,327.78-6,782,767.85

Finding the Fourth Proportional to 7,727,551.85, 11,591,327.78 and 6,782,767.85

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Solution

The fourth proportional to 7,727,551.85, 11,591,327.78 and 6,782,767.85 is: 10,174,151.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727,551.85 : 11,591,327.78 = 6,782,767.85 : x
  2. Step 2: Convert to fraction form
    7,727,551.85/11,591,327.78 = 6,782,767.85/x
  3. Step 3: Cross multiply
    7,727,551.85x = 11,591,327.78 × 6,782,767.85
  4. Step 4: Simplify right side
    7,727,551.85x = 78,621,285,371,082.03
  5. Step 5: Solve for x
    x = 78,621,285,371,082.03/7,727,551.85
  6. Step 6: Final answer
    x = 10,174,151.78

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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.