Finding the Fourth Proportional to 19,906,450.92, 27,469,150.91 and 11,085,235.62
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Solution
The fourth proportional to 19,906,450.92, 27,469,150.91 and 11,085,235.62 is: 15,296,649.89
Step by Step Solution
- Step 1: Write the proportion equation
19,906,450.92 : 27,469,150.91 = 11,085,235.62 : x - Step 2: Convert to fraction form
19,906,450.92/27,469,150.91 = 11,085,235.62/x - Step 3: Cross multiply
19,906,450.92x = 27,469,150.91 × 11,085,235.62 - Step 4: Simplify right side
19,906,450.92x = 304,502,010,179,382.44 - Step 5: Solve for x
x = 304,502,010,179,382.44/19,906,450.92 - Step 6: Final answer
x = 15,296,649.89
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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.