Finding the Fourth Proportional to 11,471,608.53, 17,207,336.25 and 4,648,081.05
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Solution
The fourth proportional to 11,471,608.53, 17,207,336.25 and 4,648,081.05 is: 6,972,090.56
Step by Step Solution
- Step 1: Write the proportion equation
11,471,608.53 : 17,207,336.25 = 4,648,081.05 : x - Step 2: Convert to fraction form
11,471,608.53/17,207,336.25 = 4,648,081.05/x - Step 3: Cross multiply
11,471,608.53x = 17,207,336.25 × 4,648,081.05 - Step 4: Simplify right side
11,471,608.53x = 79,981,093,544,603.06 - Step 5: Solve for x
x = 79,981,093,544,603.06/11,471,608.53 - Step 6: Final answer
x = 6,972,090.56
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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.