Home / 11,789,249.43-17,682,861.16-7,177,038.69

Finding the Fourth Proportional to 11,789,249.43, 17,682,861.16 and 7,177,038.69

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Solution

The fourth proportional to 11,789,249.43, 17,682,861.16 and 7,177,038.69 is: 10,764,941.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789,249.43 : 17,682,861.16 = 7,177,038.69 : x
  2. Step 2: Convert to fraction form
    11,789,249.43/17,682,861.16 = 7,177,038.69/x
  3. Step 3: Cross multiply
    11,789,249.43x = 17,682,861.16 × 7,177,038.69
  4. Step 4: Simplify right side
    11,789,249.43x = 126,910,578,695,218.28
  5. Step 5: Solve for x
    x = 126,910,578,695,218.28/11,789,249.43
  6. Step 6: Final answer
    x = 10,764,941.35

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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.