Finding the Fourth Proportional to 18,431,529.08, 27,644,494.26 and 7,077,324.92
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Solution
The fourth proportional to 18,431,529.08, 27,644,494.26 and 7,077,324.92 is: 10,614,912.48
Step by Step Solution
- Step 1: Write the proportion equation
18,431,529.08 : 27,644,494.26 = 7,077,324.92 : x - Step 2: Convert to fraction form
18,431,529.08/27,644,494.26 = 7,077,324.92/x - Step 3: Cross multiply
18,431,529.08x = 27,644,494.26 × 7,077,324.92 - Step 4: Simplify right side
18,431,529.08x = 195,649,068,127,094.97 - Step 5: Solve for x
x = 195,649,068,127,094.97/18,431,529.08 - Step 6: Final answer
x = 10,614,912.48
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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.