Home / 12,082,983.86-18,126,174.63-3,882,876.90

Finding the Fourth Proportional to 12,082,983.86, 18,126,174.63 and 3,882,876.90

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Solution

The fourth proportional to 12,082,983.86, 18,126,174.63 and 3,882,876.90 is: 5,824,861.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,082,983.86 : 18,126,174.63 = 3,882,876.90 : x
  2. Step 2: Convert to fraction form
    12,082,983.86/18,126,174.63 = 3,882,876.90/x
  3. Step 3: Cross multiply
    12,082,983.86x = 18,126,174.63 × 3,882,876.90
  4. Step 4: Simplify right side
    12,082,983.86x = 70,381,704,756,193.05
  5. Step 5: Solve for x
    x = 70,381,704,756,193.05/12,082,983.86
  6. Step 6: Final answer
    x = 5,824,861.28

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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.