Finding the Fourth Proportional to 14,617,198.14, 20,171,771.82 and 8,091,277.62
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Solution
The fourth proportional to 14,617,198.14, 20,171,771.82 and 8,091,277.62 is: 11,165,984.36
Step by Step Solution
- Step 1: Write the proportion equation
14,617,198.14 : 20,171,771.82 = 8,091,277.62 : x - Step 2: Convert to fraction form
14,617,198.14/20,171,771.82 = 8,091,277.62/x - Step 3: Cross multiply
14,617,198.14x = 20,171,771.82 × 8,091,277.62 - Step 4: Simplify right side
14,617,198.14x = 163,215,405,882,912.69 - Step 5: Solve for x
x = 163,215,405,882,912.69/14,617,198.14 - Step 6: Final answer
x = 11,165,984.36
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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.