Finding the Fourth Proportional to 7,707,755.19, 10,635,926.97 and 4,269,353.79
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Solution
The fourth proportional to 7,707,755.19, 10,635,926.97 and 4,269,353.79 is: 5,891,278.85
Step by Step Solution
- Step 1: Write the proportion equation
7,707,755.19 : 10,635,926.97 = 4,269,353.79 : x - Step 2: Convert to fraction form
7,707,755.19/10,635,926.97 = 4,269,353.79/x - Step 3: Cross multiply
7,707,755.19x = 10,635,926.97 × 4,269,353.79 - Step 4: Simplify right side
7,707,755.19x = 45,408,535,119,532.72 - Step 5: Solve for x
x = 45,408,535,119,532.72/7,707,755.19 - Step 6: Final answer
x = 5,891,278.85
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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.