Home / 18,117,014.85-25,002,168.62-10,383,549.57

Finding the Fourth Proportional to 18,117,014.85, 25,002,168.62 and 10,383,549.57

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Solution

The fourth proportional to 18,117,014.85, 25,002,168.62 and 10,383,549.57 is: 14,329,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117,014.85 : 25,002,168.62 = 10,383,549.57 : x
  2. Step 2: Convert to fraction form
    18,117,014.85/25,002,168.62 = 10,383,549.57/x
  3. Step 3: Cross multiply
    18,117,014.85x = 25,002,168.62 × 10,383,549.57
  4. Step 4: Simplify right side
    18,117,014.85x = 259,611,257,171,350.75
  5. Step 5: Solve for x
    x = 259,611,257,171,350.75/18,117,014.85
  6. Step 6: Final answer
    x = 14,329,692.80

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1.5x scale

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.