Finding the Fourth Proportional to 20,049,661.68, 27,668,586.33 and 10,882,304.43
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Solution
The fourth proportional to 20,049,661.68, 27,668,586.33 and 10,882,304.43 is: 15,017,608.99
Step by Step Solution
- Step 1: Write the proportion equation
20,049,661.68 : 27,668,586.33 = 10,882,304.43 : x - Step 2: Convert to fraction form
20,049,661.68/27,668,586.33 = 10,882,304.43/x - Step 3: Cross multiply
20,049,661.68x = 27,668,586.33 × 10,882,304.43 - Step 4: Simplify right side
20,049,661.68x = 301,097,979,590,796.44 - Step 5: Solve for x
x = 301,097,979,590,796.44/20,049,661.68 - Step 6: Final answer
x = 15,017,608.99
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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.