Home / 20,429,344.33-28,192,685.34-11,262,315.13

Finding the Fourth Proportional to 20,429,344.33, 28,192,685.34 and 11,262,315.13

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Solution

The fourth proportional to 20,429,344.33, 28,192,685.34 and 11,262,315.13 is: 15,542,099.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,429,344.33 : 28,192,685.34 = 11,262,315.13 : x
  2. Step 2: Convert to fraction form
    20,429,344.33/28,192,685.34 = 11,262,315.13/x
  3. Step 3: Cross multiply
    20,429,344.33x = 28,192,685.34 × 11,262,315.13
  4. Step 4: Simplify right side
    20,429,344.33x = 317,514,906,631,763.12
  5. Step 5: Solve for x
    x = 317,514,906,631,763.12/20,429,344.33
  6. Step 6: Final answer
    x = 15,542,099.71

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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.