Finding the Fourth Proportional to 18,284,757.24, 25,227,859.80 and 14,405,238
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Solution
The fourth proportional to 18,284,757.24, 25,227,859.80 and 14,405,238 is: 19,875,206.43
Step by Step Solution
- Step 1: Write the proportion equation
18,284,757.24 : 25,227,859.80 = 14,405,238 : x - Step 2: Convert to fraction form
18,284,757.24/25,227,859.80 = 14,405,238/x - Step 3: Cross multiply
18,284,757.24x = 25,227,859.80 × 14,405,238 - Step 4: Simplify right side
18,284,757.24x = 363,413,324,649,632.44 - Step 5: Solve for x
x = 363,413,324,649,632.44/18,284,757.24 - Step 6: Final answer
x = 19,875,206.43
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1.5x scale
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.