Finding the Fourth Proportional to 7,486,920.41, 10,331,950.18 and 4,049,161.44
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Solution
The fourth proportional to 7,486,920.41, 10,331,950.18 and 4,049,161.44 is: 5,587,842.79
Step by Step Solution
- Step 1: Write the proportion equation
7,486,920.41 : 10,331,950.18 = 4,049,161.44 : x - Step 2: Convert to fraction form
7,486,920.41/10,331,950.18 = 4,049,161.44/x - Step 3: Cross multiply
7,486,920.41x = 10,331,950.18 × 4,049,161.44 - Step 4: Simplify right side
7,486,920.41x = 41,835,734,268,857.05 - Step 5: Solve for x
x = 41,835,734,268,857.05/7,486,920.41 - Step 6: Final answer
x = 5,587,842.79
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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.