Finding the Fourth Proportional to 36,603,976.14, 54,891,981.99 and 12,336,382.62
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Solution
The fourth proportional to 36,603,976.14, 54,891,981.99 and 12,336,382.62 is: 18,499,861.60
Step by Step Solution
- Step 1: Write the proportion equation
36,603,976.14 : 54,891,981.99 = 12,336,382.62 : x - Step 2: Convert to fraction form
36,603,976.14/54,891,981.99 = 12,336,382.62/x - Step 3: Cross multiply
36,603,976.14x = 54,891,981.99 × 12,336,382.62 - Step 4: Simplify right side
36,603,976.14x = 677,168,492,598,789 - Step 5: Solve for x
x = 677,168,492,598,789/36,603,976.14 - Step 6: Final answer
x = 18,499,861.60
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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.