Finding the Fourth Proportional to 18,324,255.42, 27,481,841.46 and 6,193,449.59
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Solution
The fourth proportional to 18,324,255.42, 27,481,841.46 and 6,193,449.59 is: 9,288,639.33
Step by Step Solution
- Step 1: Write the proportion equation
18,324,255.42 : 27,481,841.46 = 6,193,449.59 : x - Step 2: Convert to fraction form
18,324,255.42/27,481,841.46 = 6,193,449.59/x - Step 3: Cross multiply
18,324,255.42x = 27,481,841.46 × 6,193,449.59 - Step 4: Simplify right side
18,324,255.42x = 170,207,399,585,472.81 - Step 5: Solve for x
x = 170,207,399,585,472.81/18,324,255.42 - Step 6: Final answer
x = 9,288,639.33
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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.