Home / 20,351,850.24-28,086,630.32-11,533,010.88

Finding the Fourth Proportional to 20,351,850.24, 28,086,630.32 and 11,533,010.88

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Solution

The fourth proportional to 20,351,850.24, 28,086,630.32 and 11,533,010.88 is: 15,916,165.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,351,850.24 : 28,086,630.32 = 11,533,010.88 : x
  2. Step 2: Convert to fraction form
    20,351,850.24/28,086,630.32 = 11,533,010.88/x
  3. Step 3: Cross multiply
    20,351,850.24x = 28,086,630.32 × 11,533,010.88
  4. Step 4: Simplify right side
    20,351,850.24x = 323,923,413,063,097.94
  5. Step 5: Solve for x
    x = 323,923,413,063,097.94/20,351,850.24
  6. Step 6: Final answer
    x = 15,916,165.32

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1.5x scale

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.