Finding the Fourth Proportional to 9,482,163.87, 13,085,286.44 and 5,131,154.91
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Solution
The fourth proportional to 9,482,163.87, 13,085,286.44 and 5,131,154.91 is: 7,080,939.82
Step by Step Solution
- Step 1: Write the proportion equation
9,482,163.87 : 13,085,286.44 = 5,131,154.91 : x - Step 2: Convert to fraction form
9,482,163.87/13,085,286.44 = 5,131,154.91/x - Step 3: Cross multiply
9,482,163.87x = 13,085,286.44 × 5,131,154.91 - Step 4: Simplify right side
9,482,163.87x = 67,142,631,739,706.65 - Step 5: Solve for x
x = 67,142,631,739,706.65/9,482,163.87 - Step 6: Final answer
x = 7,080,939.82
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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.