Finding the Fourth Proportional to 27,720,535.68, 41,577,626.91 and 7,252,230.45
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Solution
The fourth proportional to 27,720,535.68, 41,577,626.91 and 7,252,230.45 is: 10,877,514.61
Step by Step Solution
- Step 1: Write the proportion equation
27,720,535.68 : 41,577,626.91 = 7,252,230.45 : x - Step 2: Convert to fraction form
27,720,535.68/41,577,626.91 = 7,252,230.45/x - Step 3: Cross multiply
27,720,535.68x = 41,577,626.91 × 7,252,230.45 - Step 4: Simplify right side
27,720,535.68x = 301,530,531,915,441.38 - Step 5: Solve for x
x = 301,530,531,915,441.38/27,720,535.68 - Step 6: Final answer
x = 10,877,514.61
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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.