Finding the Fourth Proportional to 18,225,658.44, 27,338,514.18 and 7,442,959.32
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Solution
The fourth proportional to 18,225,658.44, 27,338,514.18 and 7,442,959.32 is: 11,164,449.81
Step by Step Solution
- Step 1: Write the proportion equation
18,225,658.44 : 27,338,514.18 = 7,442,959.32 : x - Step 2: Convert to fraction form
18,225,658.44/27,338,514.18 = 7,442,959.32/x - Step 3: Cross multiply
18,225,658.44x = 27,338,514.18 × 7,442,959.32 - Step 4: Simplify right side
18,225,658.44x = 203,479,448,910,983.16 - Step 5: Solve for x
x = 203,479,448,910,983.16/18,225,658.44 - Step 6: Final answer
x = 11,164,449.81
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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.