Home / 7,777,331.90-11,665,997.85-4,787,200.70

Finding the Fourth Proportional to 7,777,331.90, 11,665,997.85 and 4,787,200.70

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Solution

The fourth proportional to 7,777,331.90, 11,665,997.85 and 4,787,200.70 is: 7,180,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777,331.90 : 11,665,997.85 = 4,787,200.70 : x
  2. Step 2: Convert to fraction form
    7,777,331.90/11,665,997.85 = 4,787,200.70/x
  3. Step 3: Cross multiply
    7,777,331.90x = 11,665,997.85 × 4,787,200.70
  4. Step 4: Simplify right side
    7,777,331.90x = 55,847,473,073,718.49
  5. Step 5: Solve for x
    x = 55,847,473,073,718.49/7,777,331.90
  6. Step 6: Final answer
    x = 7,180,801.05

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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.