Home / 15,191,892.41-20,964,809.94-8,222,568.75

Finding the Fourth Proportional to 15,191,892.41, 20,964,809.94 and 8,222,568.75

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Solution

The fourth proportional to 15,191,892.41, 20,964,809.94 and 8,222,568.75 is: 11,347,144.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,191,892.41 : 20,964,809.94 = 8,222,568.75 : x
  2. Step 2: Convert to fraction form
    15,191,892.41/20,964,809.94 = 8,222,568.75/x
  3. Step 3: Cross multiply
    15,191,892.41x = 20,964,809.94 × 8,222,568.75
  4. Step 4: Simplify right side
    15,191,892.41x = 172,384,591,062,333.38
  5. Step 5: Solve for x
    x = 172,384,591,062,333.38/15,191,892.41
  6. Step 6: Final answer
    x = 11,347,144.02

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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.