Finding the Fourth Proportional to 11,639,722.96, 16,061,361.91 and 6,744,855.70
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Solution
The fourth proportional to 11,639,722.96, 16,061,361.91 and 6,744,855.70 is: 9,307,057.29
Step by Step Solution
- Step 1: Write the proportion equation
11,639,722.96 : 16,061,361.91 = 6,744,855.70 : x - Step 2: Convert to fraction form
11,639,722.96/16,061,361.91 = 6,744,855.70/x - Step 3: Cross multiply
11,639,722.96x = 16,061,361.91 × 6,744,855.70 - Step 4: Simplify right side
11,639,722.96x = 108,331,568,428,426.39 - Step 5: Solve for x
x = 108,331,568,428,426.39/11,639,722.96 - Step 6: Final answer
x = 9,307,057.29
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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.