Home / 27,785,985.66-41,675,194.98-7,313,990.78

Finding the Fourth Proportional to 27,785,985.66, 41,675,194.98 and 7,313,990.78

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Solution

The fourth proportional to 27,785,985.66, 41,675,194.98 and 7,313,990.78 is: 10,969,990.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,785,985.66 : 41,675,194.98 = 7,313,990.78 : x
  2. Step 2: Convert to fraction form
    27,785,985.66/41,675,194.98 = 7,313,990.78/x
  3. Step 3: Cross multiply
    27,785,985.66x = 41,675,194.98 × 7,313,990.78
  4. Step 4: Simplify right side
    27,785,985.66x = 304,811,991,942,610.25
  5. Step 5: Solve for x
    x = 304,811,991,942,610.25/27,785,985.66
  6. Step 6: Final answer
    x = 10,969,990.26

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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.