Home / 12,096,738.20-18,145,107.30-12,012,757.40

Finding the Fourth Proportional to 12,096,738.20, 18,145,107.30 and 12,012,757.40

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Solution

The fourth proportional to 12,096,738.20, 18,145,107.30 and 12,012,757.40 is: 18,019,136.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,738.20 : 18,145,107.30 = 12,012,757.40 : x
  2. Step 2: Convert to fraction form
    12,096,738.20/18,145,107.30 = 12,012,757.40/x
  3. Step 3: Cross multiply
    12,096,738.20x = 18,145,107.30 × 12,012,757.40
  4. Step 4: Simplify right side
    12,096,738.20x = 217,972,771,991,869.03
  5. Step 5: Solve for x
    x = 217,972,771,991,869.03/12,096,738.20
  6. Step 6: Final answer
    x = 18,019,136.10

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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.