Finding the Fourth Proportional to 27,383,879.70, 37,789,616.61 and 14,993,748.18
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Solution
The fourth proportional to 27,383,879.70, 37,789,616.61 and 14,993,748.18 is: 20,691,297.27
Step by Step Solution
- Step 1: Write the proportion equation
27,383,879.70 : 37,789,616.61 = 14,993,748.18 : x - Step 2: Convert to fraction form
27,383,879.70/37,789,616.61 = 14,993,748.18/x - Step 3: Cross multiply
27,383,879.70x = 37,789,616.61 × 14,993,748.18 - Step 4: Simplify right side
27,383,879.70x = 566,607,995,269,085.25 - Step 5: Solve for x
x = 566,607,995,269,085.25/27,383,879.70 - Step 6: Final answer
x = 20,691,297.27
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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.