Home / 7,098,191.20-10,647,286.80-4,263,839.20

Finding the Fourth Proportional to 7,098,191.20, 10,647,286.80 and 4,263,839.20

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Solution

The fourth proportional to 7,098,191.20, 10,647,286.80 and 4,263,839.20 is: 6,395,758.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098,191.20 : 10,647,286.80 = 4,263,839.20 : x
  2. Step 2: Convert to fraction form
    7,098,191.20/10,647,286.80 = 4,263,839.20/x
  3. Step 3: Cross multiply
    7,098,191.20x = 10,647,286.80 × 4,263,839.20
  4. Step 4: Simplify right side
    7,098,191.20x = 45,398,318,831,482.56
  5. Step 5: Solve for x
    x = 45,398,318,831,482.56/7,098,191.20
  6. Step 6: Final answer
    x = 6,395,758.80

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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.