Home / 6,690,738.40-10,036,107.60-2,202,431.20

Finding the Fourth Proportional to 6,690,738.40, 10,036,107.60 and 2,202,431.20

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Solution

The fourth proportional to 6,690,738.40, 10,036,107.60 and 2,202,431.20 is: 3,303,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690,738.40 : 10,036,107.60 = 2,202,431.20 : x
  2. Step 2: Convert to fraction form
    6,690,738.40/10,036,107.60 = 2,202,431.20/x
  3. Step 3: Cross multiply
    6,690,738.40x = 10,036,107.60 × 2,202,431.20
  4. Step 4: Simplify right side
    6,690,738.40x = 22,103,836,504,797.12
  5. Step 5: Solve for x
    x = 22,103,836,504,797.12/6,690,738.40
  6. Step 6: Final answer
    x = 3,303,646.80

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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.