Home / 12,049,846.18-18,074,729.84-4,373,480.79

Finding the Fourth Proportional to 12,049,846.18, 18,074,729.84 and 4,373,480.79

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Solution

The fourth proportional to 12,049,846.18, 18,074,729.84 and 4,373,480.79 is: 6,560,206.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,049,846.18 : 18,074,729.84 = 4,373,480.79 : x
  2. Step 2: Convert to fraction form
    12,049,846.18/18,074,729.84 = 4,373,480.79/x
  3. Step 3: Cross multiply
    12,049,846.18x = 18,074,729.84 × 4,373,480.79
  4. Step 4: Simplify right side
    12,049,846.18x = 79,049,483,739,679.78
  5. Step 5: Solve for x
    x = 79,049,483,739,679.78/12,049,846.18
  6. Step 6: Final answer
    x = 6,560,206.87

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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.