Home / 36,718,489.52-55,066,049.07-12,121,836.44

Finding the Fourth Proportional to 36,718,489.52, 55,066,049.07 and 12,121,836.44

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Solution

The fourth proportional to 36,718,489.52, 55,066,049.07 and 12,121,836.44 is: 18,178,897.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,718,489.52 : 55,066,049.07 = 12,121,836.44 : x
  2. Step 2: Convert to fraction form
    36,718,489.52/55,066,049.07 = 12,121,836.44/x
  3. Step 3: Cross multiply
    36,718,489.52x = 55,066,049.07 × 12,121,836.44
  4. Step 4: Simplify right side
    36,718,489.52x = 667,501,639,948,223.88
  5. Step 5: Solve for x
    x = 667,501,639,948,223.88/36,718,489.52
  6. Step 6: Final answer
    x = 18,178,897.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.