Home / 13,482,170.88-20,219,143.68-7,088,954.88

Finding the Fourth Proportional to 13,482,170.88, 20,219,143.68 and 7,088,954.88

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Solution

The fourth proportional to 13,482,170.88, 20,219,143.68 and 7,088,954.88 is: 10,631,269.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482,170.88 : 20,219,143.68 = 7,088,954.88 : x
  2. Step 2: Convert to fraction form
    13,482,170.88/20,219,143.68 = 7,088,954.88/x
  3. Step 3: Cross multiply
    13,482,170.88x = 20,219,143.68 × 7,088,954.88
  4. Step 4: Simplify right side
    13,482,170.88x = 143,332,597,259,757.16
  5. Step 5: Solve for x
    x = 143,332,597,259,757.16/13,482,170.88
  6. Step 6: Final answer
    x = 10,631,269.88

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1.5x scale

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.