Home / 18,401,825.61-27,603,024.72-5,449,286.52

Finding the Fourth Proportional to 18,401,825.61, 27,603,024.72 and 5,449,286.52

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Solution

The fourth proportional to 18,401,825.61, 27,603,024.72 and 5,449,286.52 is: 8,174,014.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401,825.61 : 27,603,024.72 = 5,449,286.52 : x
  2. Step 2: Convert to fraction form
    18,401,825.61/27,603,024.72 = 5,449,286.52/x
  3. Step 3: Cross multiply
    18,401,825.61x = 27,603,024.72 × 5,449,286.52
  4. Step 4: Simplify right side
    18,401,825.61x = 150,416,790,517,922.75
  5. Step 5: Solve for x
    x = 150,416,790,517,922.75/18,401,825.61
  6. Step 6: Final answer
    x = 8,174,014.56

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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.