Finding the Fourth Proportional to 18,552,112.39, 27,828,382.79 and 5,598,375.23
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Solution
The fourth proportional to 18,552,112.39, 27,828,382.79 and 5,598,375.23 is: 8,397,627.48
Step by Step Solution
- Step 1: Write the proportion equation
18,552,112.39 : 27,828,382.79 = 5,598,375.23 : x - Step 2: Convert to fraction form
18,552,112.39/27,828,382.79 = 5,598,375.23/x - Step 3: Cross multiply
18,552,112.39x = 27,828,382.79 × 5,598,375.23 - Step 4: Simplify right side
18,552,112.39x = 155,793,728,777,348.31 - Step 5: Solve for x
x = 155,793,728,777,348.31/18,552,112.39 - Step 6: Final answer
x = 8,397,627.48
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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.