Finding the Fourth Proportional to 18,344,550.12, 27,527,884.38 and 6,385,684.20
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Solution
The fourth proportional to 18,344,550.12, 27,527,884.38 and 6,385,684.20 is: 9,582,375.98
Step by Step Solution
- Step 1: Write the proportion equation
18,344,550.12 : 27,527,884.38 = 6,385,684.20 : x - Step 2: Convert to fraction form
18,344,550.12/27,527,884.38 = 6,385,684.20/x - Step 3: Cross multiply
18,344,550.12x = 27,527,884.38 × 6,385,684.20 - Step 4: Simplify right side
18,344,550.12x = 175,784,376,344,792.78 - Step 5: Solve for x
x = 175,784,376,344,792.78/18,344,550.12 - Step 6: Final answer
x = 9,582,375.98
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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.