Home / 20,351,846.74-28,086,625.49-11,533,007.38

Finding the Fourth Proportional to 20,351,846.74, 28,086,625.49 and 11,533,007.38

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Solution

The fourth proportional to 20,351,846.74, 28,086,625.49 and 11,533,007.38 is: 15,916,160.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,351,846.74 : 28,086,625.49 = 11,533,007.38 : x
  2. Step 2: Convert to fraction form
    20,351,846.74/28,086,625.49 = 11,533,007.38/x
  3. Step 3: Cross multiply
    20,351,846.74x = 28,086,625.49 × 11,533,007.38
  4. Step 4: Simplify right side
    20,351,846.74x = 323,923,259,055,466.12
  5. Step 5: Solve for x
    x = 323,923,259,055,466.12/20,351,846.74
  6. Step 6: Final answer
    x = 15,916,160.49

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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.