Home / 13,857,379.26-20,775,472.82-8,391,284.43

Finding the Fourth Proportional to 13,857,379.26, 20,775,472.82 and 8,391,284.43

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Solution

The fourth proportional to 13,857,379.26, 20,775,472.82 and 8,391,284.43 is: 12,580,510.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,857,379.26 : 20,775,472.82 = 8,391,284.43 : x
  2. Step 2: Convert to fraction form
    13,857,379.26/20,775,472.82 = 8,391,284.43/x
  3. Step 3: Cross multiply
    13,857,379.26x = 20,775,472.82 × 8,391,284.43
  4. Step 4: Simplify right side
    13,857,379.26x = 174,332,901,600,354.19
  5. Step 5: Solve for x
    x = 174,332,901,600,354.19/13,857,379.26
  6. Step 6: Final answer
    x = 12,580,510.23

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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.