Finding the Fourth Proportional to 18,151,468.62, 25,053,863.67 and 10,715,668.62
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Solution
The fourth proportional to 18,151,468.62, 25,053,863.67 and 10,715,668.62 is: 14,790,478.19
Step by Step Solution
- Step 1: Write the proportion equation
18,151,468.62 : 25,053,863.67 = 10,715,668.62 : x - Step 2: Convert to fraction form
18,151,468.62/25,053,863.67 = 10,715,668.62/x - Step 3: Cross multiply
18,151,468.62x = 25,053,863.67 × 10,715,668.62 - Step 4: Simplify right side
18,151,468.62x = 268,468,900,738,377.03 - Step 5: Solve for x
x = 268,468,900,738,377.03/18,151,468.62 - Step 6: Final answer
x = 14,790,478.19
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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.