Finding the Fourth Proportional to 20,094,609.66, 27,729,724.23 and 11,393,370.42
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Solution
The fourth proportional to 20,094,609.66, 27,729,724.23 and 11,393,370.42 is: 15,722,376.55
Step by Step Solution
- Step 1: Write the proportion equation
20,094,609.66 : 27,729,724.23 = 11,393,370.42 : x - Step 2: Convert to fraction form
20,094,609.66/27,729,724.23 = 11,393,370.42/x - Step 3: Cross multiply
20,094,609.66x = 27,729,724.23 × 11,393,370.42 - Step 4: Simplify right side
20,094,609.66x = 315,935,019,796,839.25 - Step 5: Solve for x
x = 315,935,019,796,839.25/20,094,609.66 - Step 6: Final answer
x = 15,722,376.55
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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.