Finding the Fourth Proportional to 18,677,230.08, 28,016,703.72 and 5,722,452.96
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Solution
The fourth proportional to 18,677,230.08, 28,016,703.72 and 5,722,452.96 is: 8,583,942.50
Step by Step Solution
- Step 1: Write the proportion equation
18,677,230.08 : 28,016,703.72 = 5,722,452.96 : x - Step 2: Convert to fraction form
18,677,230.08/28,016,703.72 = 5,722,452.96/x - Step 3: Cross multiply
18,677,230.08x = 28,016,703.72 × 5,722,452.96 - Step 4: Simplify right side
18,677,230.08x = 160,324,269,131,957 - Step 5: Solve for x
x = 160,324,269,131,957/18,677,230.08 - Step 6: Final answer
x = 8,583,942.50
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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.