Finding the Fourth Proportional to 18,233,906.32, 27,360,190.84 and 7,459,169.68
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Solution
The fourth proportional to 18,233,906.32, 27,360,190.84 and 7,459,169.68 is: 11,192,571.81
Step by Step Solution
- Step 1: Write the proportion equation
18,233,906.32 : 27,360,190.84 = 7,459,169.68 : x - Step 2: Convert to fraction form
18,233,906.32/27,360,190.84 = 7,459,169.68/x - Step 3: Cross multiply
18,233,906.32x = 27,360,190.84 × 7,459,169.68 - Step 4: Simplify right side
18,233,906.32x = 204,084,305,952,741.72 - Step 5: Solve for x
x = 204,084,305,952,741.72/18,233,906.32 - Step 6: Final answer
x = 11,192,571.81
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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.