Finding the Fourth Proportional to 11,760,354.82, 17,614,813.11 and 8,338,268.44
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Solution
The fourth proportional to 11,760,354.82, 17,614,813.11 and 8,338,268.44 is: 12,489,167.42
Step by Step Solution
- Step 1: Write the proportion equation
11,760,354.82 : 17,614,813.11 = 8,338,268.44 : x - Step 2: Convert to fraction form
11,760,354.82/17,614,813.11 = 8,338,268.44/x - Step 3: Cross multiply
11,760,354.82x = 17,614,813.11 × 8,338,268.44 - Step 4: Simplify right side
11,760,354.82x = 146,877,040,231,611.25 - Step 5: Solve for x
x = 146,877,040,231,611.25/11,760,354.82 - Step 6: Final answer
x = 12,489,167.42
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1.5x scale
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.