Home / 12,082,986.84-18,126,179.13-3,882,879.90

Finding the Fourth Proportional to 12,082,986.84, 18,126,179.13 and 3,882,879.90

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Solution

The fourth proportional to 12,082,986.84, 18,126,179.13 and 3,882,879.90 is: 5,824,865.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,082,986.84 : 18,126,179.13 = 3,882,879.90 : x
  2. Step 2: Convert to fraction form
    12,082,986.84/18,126,179.13 = 3,882,879.90/x
  3. Step 3: Cross multiply
    12,082,986.84x = 18,126,179.13 × 3,882,879.90
  4. Step 4: Simplify right side
    12,082,986.84x = 70,381,776,607,676.48
  5. Step 5: Solve for x
    x = 70,381,776,607,676.48/12,082,986.84
  6. Step 6: Final answer
    x = 5,824,865.78

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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.