Finding the Fourth Proportional to 9,482,163.62, 13,085,286.09 and 5,131,154.66
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Solution
The fourth proportional to 9,482,163.62, 13,085,286.09 and 5,131,154.66 is: 7,080,939.48
Step by Step Solution
- Step 1: Write the proportion equation
9,482,163.62 : 13,085,286.09 = 5,131,154.66 : x - Step 2: Convert to fraction form
9,482,163.62/13,085,286.09 = 5,131,154.66/x - Step 3: Cross multiply
9,482,163.62x = 13,085,286.09 × 5,131,154.66 - Step 4: Simplify right side
9,482,163.62x = 67,142,626,698,136.68 - Step 5: Solve for x
x = 67,142,626,698,136.68/9,482,163.62 - Step 6: Final answer
x = 7,080,939.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.