Home / 36,857,873.92-50,861,570.34-20,338,131.28

Finding the Fourth Proportional to 36,857,873.92, 50,861,570.34 and 20,338,131.28

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Solution

The fourth proportional to 36,857,873.92, 50,861,570.34 and 20,338,131.28 is: 28,065,354.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,857,873.92 : 50,861,570.34 = 20,338,131.28 : x
  2. Step 2: Convert to fraction form
    36,857,873.92/50,861,570.34 = 20,338,131.28/x
  3. Step 3: Cross multiply
    36,857,873.92x = 50,861,570.34 × 20,338,131.28
  4. Step 4: Simplify right side
    36,857,873.92x = 1,034,429,294,681,874.38
  5. Step 5: Solve for x
    x = 1,034,429,294,681,874.38/36,857,873.92
  6. Step 6: Final answer
    x = 28,065,354.42

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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.