Finding the Fourth Proportional to 18,170,207.04, 27,274,214.88 and 13,383,301.44
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Solution
The fourth proportional to 18,170,207.04, 27,274,214.88 and 13,383,301.44 is: 20,088,876.17
Step by Step Solution
- Step 1: Write the proportion equation
18,170,207.04 : 27,274,214.88 = 13,383,301.44 : x - Step 2: Convert to fraction form
18,170,207.04/27,274,214.88 = 13,383,301.44/x - Step 3: Cross multiply
18,170,207.04x = 27,274,214.88 × 13,383,301.44 - Step 4: Simplify right side
18,170,207.04x = 365,019,039,278,373.38 - Step 5: Solve for x
x = 365,019,039,278,373.38/18,170,207.04 - Step 6: Final answer
x = 20,088,876.17
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1.5x scale
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.