Finding the Fourth Proportional to 11,788,191.53, 16,267,679.70 and 6,631,553.09
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Solution
The fourth proportional to 11,788,191.53, 16,267,679.70 and 6,631,553.09 is: 9,151,529.42
Step by Step Solution
- Step 1: Write the proportion equation
11,788,191.53 : 16,267,679.70 = 6,631,553.09 : x - Step 2: Convert to fraction form
11,788,191.53/16,267,679.70 = 6,631,553.09/x - Step 3: Cross multiply
11,788,191.53x = 16,267,679.70 × 6,631,553.09 - Step 4: Simplify right side
11,788,191.53x = 107,879,981,581,665.27 - Step 5: Solve for x
x = 107,879,981,581,665.27/11,788,191.53 - Step 6: Final answer
x = 9,151,529.42
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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.