Home / 20,536,945.75-28,339,907.38-11,242,734.04

Finding the Fourth Proportional to 20,536,945.75, 28,339,907.38 and 11,242,734.04

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Solution

The fourth proportional to 20,536,945.75, 28,339,907.38 and 11,242,734.04 is: 15,514,382.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,536,945.75 : 28,339,907.38 = 11,242,734.04 : x
  2. Step 2: Convert to fraction form
    20,536,945.75/28,339,907.38 = 11,242,734.04/x
  3. Step 3: Cross multiply
    20,536,945.75x = 28,339,907.38 × 11,242,734.04
  4. Step 4: Simplify right side
    20,536,945.75x = 318,618,041,391,573.19
  5. Step 5: Solve for x
    x = 318,618,041,391,573.19/20,536,945.75
  6. Step 6: Final answer
    x = 15,514,382.97

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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.