Home / 13,745,132.24-18,967,176.30-7,944,289.70

Finding the Fourth Proportional to 13,745,132.24, 18,967,176.30 and 7,944,289.70

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Solution

The fourth proportional to 13,745,132.24, 18,967,176.30 and 7,944,289.70 is: 10,962,480.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745,132.24 : 18,967,176.30 = 7,944,289.70 : x
  2. Step 2: Convert to fraction form
    13,745,132.24/18,967,176.30 = 7,944,289.70/x
  3. Step 3: Cross multiply
    13,745,132.24x = 18,967,176.30 × 7,944,289.70
  4. Step 4: Simplify right side
    13,745,132.24x = 150,680,743,318,174.12
  5. Step 5: Solve for x
    x = 150,680,743,318,174.12/13,745,132.24
  6. Step 6: Final answer
    x = 10,962,480.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.