Finding the Fourth Proportional to 11,738,231.28, 16,198,553.88 and 6,581,576.88
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Solution
The fourth proportional to 11,738,231.28, 16,198,553.88 and 6,581,576.88 is: 9,082,460.99
Step by Step Solution
- Step 1: Write the proportion equation
11,738,231.28 : 16,198,553.88 = 6,581,576.88 : x - Step 2: Convert to fraction form
11,738,231.28/16,198,553.88 = 6,581,576.88/x - Step 3: Cross multiply
11,738,231.28x = 16,198,553.88 × 6,581,576.88 - Step 4: Simplify right side
11,738,231.28x = 106,612,027,706,042.30 - Step 5: Solve for x
x = 106,612,027,706,042.30/11,738,231.28 - Step 6: Final answer
x = 9,082,460.99
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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.