Finding the Fourth Proportional to 18,165,942.92, 27,254,174.16 and 5,386,755.20
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Solution
The fourth proportional to 18,165,942.92, 27,254,174.16 and 5,386,755.20 is: 8,081,692.48
Step by Step Solution
- Step 1: Write the proportion equation
18,165,942.92 : 27,254,174.16 = 5,386,755.20 : x - Step 2: Convert to fraction form
18,165,942.92/27,254,174.16 = 5,386,755.20/x - Step 3: Cross multiply
18,165,942.92x = 27,254,174.16 × 5,386,755.20 - Step 4: Simplify right side
18,165,942.92x = 146,811,564,378,085.62 - Step 5: Solve for x
x = 146,811,564,378,085.62/18,165,942.92 - Step 6: Final answer
x = 8,081,692.48
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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.