Finding the Fourth Proportional to 14,876,609.53, 20,529,030.11 and 8,261,617.97
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Solution
The fourth proportional to 14,876,609.53, 20,529,030.11 and 8,261,617.97 is: 11,400,649.03
Step by Step Solution
- Step 1: Write the proportion equation
14,876,609.53 : 20,529,030.11 = 8,261,617.97 : x - Step 2: Convert to fraction form
14,876,609.53/20,529,030.11 = 8,261,617.97/x - Step 3: Cross multiply
14,876,609.53x = 20,529,030.11 × 8,261,617.97 - Step 4: Simplify right side
14,876,609.53x = 169,603,003,981,455.97 - Step 5: Solve for x
x = 169,603,003,981,455.97/14,876,609.53 - Step 6: Final answer
x = 11,400,649.03
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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.