Home / 11,609,879.72-16,021,644.30-6,382,976.85

Finding the Fourth Proportional to 11,609,879.72, 16,021,644.30 and 6,382,976.85

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Solution

The fourth proportional to 11,609,879.72, 16,021,644.30 and 6,382,976.85 is: 8,808,513.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,609,879.72 : 16,021,644.30 = 6,382,976.85 : x
  2. Step 2: Convert to fraction form
    11,609,879.72/16,021,644.30 = 6,382,976.85/x
  3. Step 3: Cross multiply
    11,609,879.72x = 16,021,644.30 × 6,382,976.85
  4. Step 4: Simplify right side
    11,609,879.72x = 102,265,784,665,834.45
  5. Step 5: Solve for x
    x = 102,265,784,665,834.45/11,609,879.72
  6. Step 6: Final answer
    x = 8,808,513.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.