Finding the Fourth Proportional to 12,216,399.26, 18,324,654.47 and 4,129,418.18
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Solution
The fourth proportional to 12,216,399.26, 18,324,654.47 and 4,129,418.18 is: 6,194,146.05
Step by Step Solution
- Step 1: Write the proportion equation
12,216,399.26 : 18,324,654.47 = 4,129,418.18 : x - Step 2: Convert to fraction form
12,216,399.26/18,324,654.47 = 4,129,418.18/x - Step 3: Cross multiply
12,216,399.26x = 18,324,654.47 × 4,129,418.18 - Step 4: Simplify right side
12,216,399.26x = 75,670,161,198,365.89 - Step 5: Solve for x
x = 75,670,161,198,365.89/12,216,399.26 - Step 6: Final answer
x = 6,194,146.05
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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.