Finding the Fourth Proportional to 22,278,774.84, 33,431,189.49 and 9,323,843.42
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Solution
The fourth proportional to 22,278,774.84, 33,431,189.49 and 9,323,843.42 is: 13,991,217.12
Step by Step Solution
- Step 1: Write the proportion equation
22,278,774.84 : 33,431,189.49 = 9,323,843.42 : x - Step 2: Convert to fraction form
22,278,774.84/33,431,189.49 = 9,323,843.42/x - Step 3: Cross multiply
22,278,774.84x = 33,431,189.49 × 9,323,843.42 - Step 4: Simplify right side
22,278,774.84x = 311,707,175,981,953.69 - Step 5: Solve for x
x = 311,707,175,981,953.69/22,278,774.84 - Step 6: Final answer
x = 13,991,217.12
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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.