Home / 12,019,173.53-16,586,517.20-6,512,546.93

Finding the Fourth Proportional to 12,019,173.53, 16,586,517.20 and 6,512,546.93

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Solution

The fourth proportional to 12,019,173.53, 16,586,517.20 and 6,512,546.93 is: 8,987,346.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,019,173.53 : 16,586,517.20 = 6,512,546.93 : x
  2. Step 2: Convert to fraction form
    12,019,173.53/16,586,517.20 = 6,512,546.93/x
  3. Step 3: Cross multiply
    12,019,173.53x = 16,586,517.20 × 6,512,546.93
  4. Step 4: Simplify right side
    12,019,173.53x = 108,020,471,554,756.88
  5. Step 5: Solve for x
    x = 108,020,471,554,756.88/12,019,173.53
  6. Step 6: Final answer
    x = 8,987,346.04

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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.