Home / 20,672,299.38-28,527,773.19-11,507,107.26

Finding the Fourth Proportional to 20,672,299.38, 28,527,773.19 and 11,507,107.26

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Solution

The fourth proportional to 20,672,299.38, 28,527,773.19 and 11,507,107.26 is: 15,879,808.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,672,299.38 : 28,527,773.19 = 11,507,107.26 : x
  2. Step 2: Convert to fraction form
    20,672,299.38/28,527,773.19 = 11,507,107.26/x
  3. Step 3: Cross multiply
    20,672,299.38x = 28,527,773.19 × 11,507,107.26
  4. Step 4: Simplify right side
    20,672,299.38x = 328,272,145,986,282.38
  5. Step 5: Solve for x
    x = 328,272,145,986,282.38/20,672,299.38
  6. Step 6: Final answer
    x = 15,879,808.04

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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.