Finding the Fourth Proportional to 27,870,982.80, 41,790,202.92 and 10,811,721.84
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Solution
The fourth proportional to 27,870,982.80, 41,790,202.92 and 10,811,721.84 is: 16,211,270.80
Step by Step Solution
- Step 1: Write the proportion equation
27,870,982.80 : 41,790,202.92 = 10,811,721.84 : x - Step 2: Convert to fraction form
27,870,982.80/41,790,202.92 = 10,811,721.84/x - Step 3: Cross multiply
27,870,982.80x = 41,790,202.92 × 10,811,721.84 - Step 4: Simplify right side
27,870,982.80x = 451,824,049,608,195.81 - Step 5: Solve for x
x = 451,824,049,608,195.81/27,870,982.80 - Step 6: Final answer
x = 16,211,270.80
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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.