Finding the Fourth Proportional to 18,472,093.20, 27,696,403.44 and 16,202,175.66
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Solution
The fourth proportional to 18,472,093.20, 27,696,403.44 and 16,202,175.66 is: 24,292,969.34
Step by Step Solution
- Step 1: Write the proportion equation
18,472,093.20 : 27,696,403.44 = 16,202,175.66 : x - Step 2: Convert to fraction form
18,472,093.20/27,696,403.44 = 16,202,175.66/x - Step 3: Cross multiply
18,472,093.20x = 27,696,403.44 × 16,202,175.66 - Step 4: Simplify right side
18,472,093.20x = 448,741,993,685,108.31 - Step 5: Solve for x
x = 448,741,993,685,108.31/18,472,093.20 - Step 6: Final answer
x = 24,292,969.34
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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.