Finding the Fourth Proportional to 16,199,343.77, 22,355,096.49 and 8,857,181.97
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Solution
The fourth proportional to 16,199,343.77, 22,355,096.49 and 8,857,181.97 is: 12,222,912.26
Step by Step Solution
- Step 1: Write the proportion equation
16,199,343.77 : 22,355,096.49 = 8,857,181.97 : x - Step 2: Convert to fraction form
16,199,343.77/22,355,096.49 = 8,857,181.97/x - Step 3: Cross multiply
16,199,343.77x = 22,355,096.49 × 8,857,181.97 - Step 4: Simplify right side
16,199,343.77x = 198,003,157,568,838.28 - Step 5: Solve for x
x = 198,003,157,568,838.28/16,199,343.77 - Step 6: Final answer
x = 12,222,912.26
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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.