Finding the Fourth Proportional to 18,479,879.19, 25,494,527.52 and 10,637,514.99
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Solution
The fourth proportional to 18,479,879.19, 25,494,527.52 and 10,637,514.99 is: 14,675,335.04
Step by Step Solution
- Step 1: Write the proportion equation
18,479,879.19 : 25,494,527.52 = 10,637,514.99 : x - Step 2: Convert to fraction form
18,479,879.19/25,494,527.52 = 10,637,514.99/x - Step 3: Cross multiply
18,479,879.19x = 25,494,527.52 × 10,637,514.99 - Step 4: Simplify right side
18,479,879.19x = 271,198,418,656,967.53 - Step 5: Solve for x
x = 271,198,418,656,967.53/18,479,879.19 - Step 6: Final answer
x = 14,675,335.04
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.