Finding the Fourth Proportional to 27,617,879.12, 41,425,317.08 and 8,448,636.17
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Solution
The fourth proportional to 27,617,879.12, 41,425,317.08 and 8,448,636.17 is: 12,672,494.89
Step by Step Solution
- Step 1: Write the proportion equation
27,617,879.12 : 41,425,317.08 = 8,448,636.17 : x - Step 2: Convert to fraction form
27,617,879.12/41,425,317.08 = 8,448,636.17/x - Step 3: Cross multiply
27,617,879.12x = 41,425,317.08 × 8,448,636.17 - Step 4: Simplify right side
27,617,879.12x = 349,987,431,986,437 - Step 5: Solve for x
x = 349,987,431,986,437/27,617,879.12 - Step 6: Final answer
x = 12,672,494.89
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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.