Home / 18,210,265.70-27,279,969.15-11,000,382.80

Finding the Fourth Proportional to 18,210,265.70, 27,279,969.15 and 11,000,382.80

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Solution

The fourth proportional to 18,210,265.70, 27,279,969.15 and 11,000,382.80 is: 16,479,172.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,210,265.70 : 27,279,969.15 = 11,000,382.80 : x
  2. Step 2: Convert to fraction form
    18,210,265.70/27,279,969.15 = 11,000,382.80/x
  3. Step 3: Cross multiply
    18,210,265.70x = 27,279,969.15 × 11,000,382.80
  4. Step 4: Simplify right side
    18,210,265.70x = 300,090,103,422,190.62
  5. Step 5: Solve for x
    x = 300,090,103,422,190.62/18,210,265.70
  6. Step 6: Final answer
    x = 16,479,172.15

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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.