Home / 12,405,082.88-18,607,609.68-3,886,082.88

Finding the Fourth Proportional to 12,405,082.88, 18,607,609.68 and 3,886,082.88

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Solution

The fourth proportional to 12,405,082.88, 18,607,609.68 and 3,886,082.88 is: 5,829,119.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,405,082.88 : 18,607,609.68 = 3,886,082.88 : x
  2. Step 2: Convert to fraction form
    12,405,082.88/18,607,609.68 = 3,886,082.88/x
  3. Step 3: Cross multiply
    12,405,082.88x = 18,607,609.68 × 3,886,082.88
  4. Step 4: Simplify right side
    12,405,082.88x = 72,310,713,415,170.28
  5. Step 5: Solve for x
    x = 72,310,713,415,170.28/12,405,082.88
  6. Step 6: Final answer
    x = 5,829,119.73

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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.