Home / 18,496,660.20-27,744,990.30-8,399,281.20

Finding the Fourth Proportional to 18,496,660.20, 27,744,990.30 and 8,399,281.20

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Solution

The fourth proportional to 18,496,660.20, 27,744,990.30 and 8,399,281.20 is: 12,598,921.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,496,660.20 : 27,744,990.30 = 8,399,281.20 : x
  2. Step 2: Convert to fraction form
    18,496,660.20/27,744,990.30 = 8,399,281.20/x
  3. Step 3: Cross multiply
    18,496,660.20x = 27,744,990.30 × 8,399,281.20
  4. Step 4: Simplify right side
    18,496,660.20x = 233,037,975,420,972.34
  5. Step 5: Solve for x
    x = 233,037,975,420,972.34/18,496,660.20
  6. Step 6: Final answer
    x = 12,598,921.80

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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.