Home / 20,589,367.29-28,413,240.26-11,422,010.04

Finding the Fourth Proportional to 20,589,367.29, 28,413,240.26 and 11,422,010.04

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Solution

The fourth proportional to 20,589,367.29, 28,413,240.26 and 11,422,010.04 is: 15,762,325.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,589,367.29 : 28,413,240.26 = 11,422,010.04 : x
  2. Step 2: Convert to fraction form
    20,589,367.29/28,413,240.26 = 11,422,010.04/x
  3. Step 3: Cross multiply
    20,589,367.29x = 28,413,240.26 × 11,422,010.04
  4. Step 4: Simplify right side
    20,589,367.29x = 324,536,315,461,542.12
  5. Step 5: Solve for x
    x = 324,536,315,461,542.12/20,589,367.29
  6. Step 6: Final answer
    x = 15,762,325.81

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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.