Home / 36,718,489.77-55,066,049.45-12,121,836.69

Finding the Fourth Proportional to 36,718,489.77, 55,066,049.45 and 12,121,836.69

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Solution

The fourth proportional to 36,718,489.77, 55,066,049.45 and 12,121,836.69 is: 18,178,897.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,718,489.77 : 55,066,049.45 = 12,121,836.69 : x
  2. Step 2: Convert to fraction form
    36,718,489.77/55,066,049.45 = 12,121,836.69/x
  3. Step 3: Cross multiply
    36,718,489.77x = 55,066,049.45 × 12,121,836.69
  4. Step 4: Simplify right side
    36,718,489.77x = 667,501,658,260,424.88
  5. Step 5: Solve for x
    x = 667,501,658,260,424.88/36,718,489.77
  6. Step 6: Final answer
    x = 18,178,897.40

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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.