Finding the Fourth Proportional to 8,131,465.85, 12,198,324.15 and 2,741,658.12
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Solution
The fourth proportional to 8,131,465.85, 12,198,324.15 and 2,741,658.12 is: 4,112,866.62
Step by Step Solution
- Step 1: Write the proportion equation
8,131,465.85 : 12,198,324.15 = 2,741,658.12 : x - Step 2: Convert to fraction form
8,131,465.85/12,198,324.15 = 2,741,658.12/x - Step 3: Cross multiply
8,131,465.85x = 12,198,324.15 × 2,741,658.12 - Step 4: Simplify right side
8,131,465.85x = 33,443,634,456,239.60 - Step 5: Solve for x
x = 33,443,634,456,239.60/8,131,465.85 - Step 6: Final answer
x = 4,112,866.62
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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.