Finding the Fourth Proportional to 27,274,578.36, 37,639,716.11 and 14,885,466.41
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Solution
The fourth proportional to 27,274,578.36, 37,639,716.11 and 14,885,466.41 is: 20,542,379.14
Step by Step Solution
- Step 1: Write the proportion equation
27,274,578.36 : 37,639,716.11 = 14,885,466.41 : x - Step 2: Convert to fraction form
27,274,578.36/37,639,716.11 = 14,885,466.41/x - Step 3: Cross multiply
27,274,578.36x = 37,639,716.11 × 14,885,466.41 - Step 4: Simplify right side
27,274,578.36x = 560,284,729,574,714.88 - Step 5: Solve for x
x = 560,284,729,574,714.88/27,274,578.36 - Step 6: Final answer
x = 20,542,379.14
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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.