Finding the Fourth Proportional to 18,412,571.85, 27,626,820.88 and 9,882,942.99
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Solution
The fourth proportional to 18,412,571.85, 27,626,820.88 and 9,882,942.99 is: 14,828,688.68
Step by Step Solution
- Step 1: Write the proportion equation
18,412,571.85 : 27,626,820.88 = 9,882,942.99 : x - Step 2: Convert to fraction form
18,412,571.85/27,626,820.88 = 9,882,942.99/x - Step 3: Cross multiply
18,412,571.85x = 27,626,820.88 × 9,882,942.99 - Step 4: Simplify right side
18,412,571.85x = 273,034,295,751,981.62 - Step 5: Solve for x
x = 273,034,295,751,981.62/18,412,571.85 - Step 6: Final answer
x = 14,828,688.68
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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.