Finding the Fourth Proportional to 22,491,738.70, 33,737,608.05 and 8,117,025.10
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Solution
The fourth proportional to 22,491,738.70, 33,737,608.05 and 8,117,025.10 is: 12,175,537.65
Step by Step Solution
- Step 1: Write the proportion equation
22,491,738.70 : 33,737,608.05 = 8,117,025.10 : x - Step 2: Convert to fraction form
22,491,738.70/33,737,608.05 = 8,117,025.10/x - Step 3: Cross multiply
22,491,738.70x = 33,737,608.05 × 8,117,025.10 - Step 4: Simplify right side
22,491,738.70x = 273,849,011,355,812.03 - Step 5: Solve for x
x = 273,849,011,355,812.03/22,491,738.70 - Step 6: Final answer
x = 12,175,537.65
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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.