Finding the Fourth Proportional to 18,367,910.32, 27,555,851.39 and 5,588,082.88
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Solution
The fourth proportional to 18,367,910.32, 27,555,851.39 and 5,588,082.88 is: 8,383,336.96
Step by Step Solution
- Step 1: Write the proportion equation
18,367,910.32 : 27,555,851.39 = 5,588,082.88 : x - Step 2: Convert to fraction form
18,367,910.32/27,555,851.39 = 5,588,082.88/x - Step 3: Cross multiply
18,367,910.32x = 27,555,851.39 × 5,588,082.88 - Step 4: Simplify right side
18,367,910.32x = 153,984,381,396,283.22 - Step 5: Solve for x
x = 153,984,381,396,283.22/18,367,910.32 - Step 6: Final answer
x = 8,383,336.96
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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.