Home / 8,412,253.79-12,618,380.68-2,022,506.21

Finding the Fourth Proportional to 8,412,253.79, 12,618,380.68 and 2,022,506.21

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Solution

The fourth proportional to 8,412,253.79, 12,618,380.68 and 2,022,506.21 is: 3,033,759.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412,253.79 : 12,618,380.68 = 2,022,506.21 : x
  2. Step 2: Convert to fraction form
    8,412,253.79/12,618,380.68 = 2,022,506.21/x
  3. Step 3: Cross multiply
    8,412,253.79x = 12,618,380.68 × 2,022,506.21
  4. Step 4: Simplify right side
    8,412,253.79x = 25,520,753,311,933.71
  5. Step 5: Solve for x
    x = 25,520,753,311,933.71/8,412,253.79
  6. Step 6: Final answer
    x = 3,033,759.32

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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.