Finding the Fourth Proportional to 18,380,711.70, 27,568,115.10 and 5,598,243.45
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Solution
The fourth proportional to 18,380,711.70, 27,568,115.10 and 5,598,243.45 is: 8,396,465.94
Step by Step Solution
- Step 1: Write the proportion equation
18,380,711.70 : 27,568,115.10 = 5,598,243.45 : x - Step 2: Convert to fraction form
18,380,711.70/27,568,115.10 = 5,598,243.45/x - Step 3: Cross multiply
18,380,711.70x = 27,568,115.10 × 5,598,243.45 - Step 4: Simplify right side
18,380,711.70x = 154,333,019,787,421.09 - Step 5: Solve for x
x = 154,333,019,787,421.09/18,380,711.70 - Step 6: Final answer
x = 8,396,465.94
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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.