Finding the Fourth Proportional to 6,192,244.20, 9,288,366.30 and 4,916,785.80
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Solution
The fourth proportional to 6,192,244.20, 9,288,366.30 and 4,916,785.80 is: 7,375,178.70
Step by Step Solution
- Step 1: Write the proportion equation
6,192,244.20 : 9,288,366.30 = 4,916,785.80 : x - Step 2: Convert to fraction form
6,192,244.20/9,288,366.30 = 4,916,785.80/x - Step 3: Cross multiply
6,192,244.20x = 9,288,366.30 × 4,916,785.80 - Step 4: Simplify right side
6,192,244.20x = 45,668,907,529,038.54 - Step 5: Solve for x
x = 45,668,907,529,038.54/6,192,244.20 - Step 6: Final answer
x = 7,375,178.70
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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.