Finding the Fourth Proportional to 7,393,543.11, 11,091,575.76 and 3,296,350.94
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Solution
The fourth proportional to 7,393,543.11, 11,091,575.76 and 3,296,350.94 is: 4,945,088.66
Step by Step Solution
- Step 1: Write the proportion equation
7,393,543.11 : 11,091,575.76 = 3,296,350.94 : x - Step 2: Convert to fraction form
7,393,543.11/11,091,575.76 = 3,296,350.94/x - Step 3: Cross multiply
7,393,543.11x = 11,091,575.76 × 3,296,350.94 - Step 4: Simplify right side
7,393,543.11x = 36,561,726,186,400.77 - Step 5: Solve for x
x = 36,561,726,186,400.77/7,393,543.11 - Step 6: Final answer
x = 4,945,088.66
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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.