Home / 20,644,034.10-28,489,235.37-11,352,120.36

Finding the Fourth Proportional to 20,644,034.10, 28,489,235.37 and 11,352,120.36

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Solution

The fourth proportional to 20,644,034.10, 28,489,235.37 and 11,352,120.36 is: 15,666,183.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,644,034.10 : 28,489,235.37 = 11,352,120.36 : x
  2. Step 2: Convert to fraction form
    20,644,034.10/28,489,235.37 = 11,352,120.36/x
  3. Step 3: Cross multiply
    20,644,034.10x = 28,489,235.37 × 11,352,120.36
  4. Step 4: Simplify right side
    20,644,034.10x = 323,413,228,884,609.12
  5. Step 5: Solve for x
    x = 323,413,228,884,609.12/20,644,034.10
  6. Step 6: Final answer
    x = 15,666,183.62

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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.