Home / 12,082,984.77-18,126,176.03-3,882,877.85

Finding the Fourth Proportional to 12,082,984.77, 18,126,176.03 and 3,882,877.85

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Solution

The fourth proportional to 12,082,984.77, 18,126,176.03 and 3,882,877.85 is: 5,824,862.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,082,984.77 : 18,126,176.03 = 3,882,877.85 : x
  2. Step 2: Convert to fraction form
    12,082,984.77/18,126,176.03 = 3,882,877.85/x
  3. Step 3: Cross multiply
    12,082,984.77x = 18,126,176.03 × 3,882,877.85
  4. Step 4: Simplify right side
    12,082,984.77x = 70,381,727,302,042.66
  5. Step 5: Solve for x
    x = 70,381,727,302,042.66/12,082,984.77
  6. Step 6: Final answer
    x = 5,824,862.70

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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.