Home / 20,044,321.14-27,661,237.89-10,876,965.78

Finding the Fourth Proportional to 20,044,321.14, 27,661,237.89 and 10,876,965.78

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Solution

The fourth proportional to 20,044,321.14, 27,661,237.89 and 10,876,965.78 is: 15,010,253.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,044,321.14 : 27,661,237.89 = 10,876,965.78 : x
  2. Step 2: Convert to fraction form
    20,044,321.14/27,661,237.89 = 10,876,965.78/x
  3. Step 3: Cross multiply
    20,044,321.14x = 27,661,237.89 × 10,876,965.78
  4. Step 4: Simplify right side
    20,044,321.14x = 300,870,337,961,969.38
  5. Step 5: Solve for x
    x = 300,870,337,961,969.38/20,044,321.14
  6. Step 6: Final answer
    x = 15,010,253.32

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1.5x scale

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.