Finding the Fourth Proportional to 7,965,770.85, 10,992,645.68 and 4,480,846.49
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Solution
The fourth proportional to 7,965,770.85, 10,992,645.68 and 4,480,846.49 is: 6,183,501.73
Step by Step Solution
- Step 1: Write the proportion equation
7,965,770.85 : 10,992,645.68 = 4,480,846.49 : x - Step 2: Convert to fraction form
7,965,770.85/10,992,645.68 = 4,480,846.49/x - Step 3: Cross multiply
7,965,770.85x = 10,992,645.68 × 4,480,846.49 - Step 4: Simplify right side
7,965,770.85x = 49,256,357,816,119.05 - Step 5: Solve for x
x = 49,256,357,816,119.05/7,965,770.85 - Step 6: Final answer
x = 6,183,501.73
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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.