Finding the Fourth Proportional to 10,691,891.35, 16,036,213.17 and 3,503,266.09
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Solution
The fourth proportional to 10,691,891.35, 16,036,213.17 and 3,503,266.09 is: 5,254,367.07
Step by Step Solution
- Step 1: Write the proportion equation
10,691,891.35 : 16,036,213.17 = 3,503,266.09 : x - Step 2: Convert to fraction form
10,691,891.35/16,036,213.17 = 3,503,266.09/x - Step 3: Cross multiply
10,691,891.35x = 16,036,213.17 × 3,503,266.09 - Step 4: Simplify right side
10,691,891.35x = 56,179,121,810,472.41 - Step 5: Solve for x
x = 56,179,121,810,472.41/10,691,891.35 - Step 6: Final answer
x = 5,254,367.07
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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.