Home / 20,066,400.05-27,691,161.08-11,806,997.29

Finding the Fourth Proportional to 20,066,400.05, 27,691,161.08 and 11,806,997.29

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Solution

The fourth proportional to 20,066,400.05, 27,691,161.08 and 11,806,997.29 is: 16,293,379.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066,400.05 : 27,691,161.08 = 11,806,997.29 : x
  2. Step 2: Convert to fraction form
    20,066,400.05/27,691,161.08 = 11,806,997.29/x
  3. Step 3: Cross multiply
    20,066,400.05x = 27,691,161.08 × 11,806,997.29
  4. Step 4: Simplify right side
    20,066,400.05x = 326,949,463,861,172.62
  5. Step 5: Solve for x
    x = 326,949,463,861,172.62/20,066,400.05
  6. Step 6: Final answer
    x = 16,293,379.14

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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.