Finding the Fourth Proportional to 7,244,286.66, 9,997,163.10 and 3,981,370.14
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Solution
The fourth proportional to 7,244,286.66, 9,997,163.10 and 3,981,370.14 is: 5,494,316.90
Step by Step Solution
- Step 1: Write the proportion equation
7,244,286.66 : 9,997,163.10 = 3,981,370.14 : x - Step 2: Convert to fraction form
7,244,286.66/9,997,163.10 = 3,981,370.14/x - Step 3: Cross multiply
7,244,286.66x = 9,997,163.10 × 3,981,370.14 - Step 4: Simplify right side
7,244,286.66x = 39,802,406,651,049.84 - Step 5: Solve for x
x = 39,802,406,651,049.84/7,244,286.66 - Step 6: Final answer
x = 5,494,316.90
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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.