Finding the Fourth Proportional to 7,608,238.75, 11,385,418.58 and 4,730,960.49
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Solution
The fourth proportional to 7,608,238.75, 11,385,418.58 and 4,730,960.49 is: 7,079,689.18
Step by Step Solution
- Step 1: Write the proportion equation
7,608,238.75 : 11,385,418.58 = 4,730,960.49 : x - Step 2: Convert to fraction form
7,608,238.75/11,385,418.58 = 4,730,960.49/x - Step 3: Cross multiply
7,608,238.75x = 11,385,418.58 × 4,730,960.49 - Step 4: Simplify right side
7,608,238.75x = 53,863,965,492,555.45 - Step 5: Solve for x
x = 53,863,965,492,555.45/7,608,238.75 - Step 6: Final answer
x = 7,079,689.18
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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.