Finding the Fourth Proportional to 18,342,804.56, 27,514,324.09 and 5,388,902.24
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Solution
The fourth proportional to 18,342,804.56, 27,514,324.09 and 5,388,902.24 is: 8,083,387.80
Step by Step Solution
- Step 1: Write the proportion equation
18,342,804.56 : 27,514,324.09 = 5,388,902.24 : x - Step 2: Convert to fraction form
18,342,804.56/27,514,324.09 = 5,388,902.24/x - Step 3: Cross multiply
18,342,804.56x = 27,514,324.09 × 5,388,902.24 - Step 4: Simplify right side
18,342,804.56x = 148,272,002,624,956.62 - Step 5: Solve for x
x = 148,272,002,624,956.62/18,342,804.56 - Step 6: Final answer
x = 8,083,387.80
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1.5x scale
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.