Finding the Fourth Proportional to 20,204,942.12, 30,307,675.84 and 6,741,770.12
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Solution
The fourth proportional to 20,204,942.12, 30,307,675.84 and 6,741,770.12 is: 10,112,742.82
Step by Step Solution
- Step 1: Write the proportion equation
20,204,942.12 : 30,307,675.84 = 6,741,770.12 : x - Step 2: Convert to fraction form
20,204,942.12/30,307,675.84 = 6,741,770.12/x - Step 3: Cross multiply
20,204,942.12x = 30,307,675.84 × 6,741,770.12 - Step 4: Simplify right side
20,204,942.12x = 204,327,383,384,757.91 - Step 5: Solve for x
x = 204,327,383,384,757.91/20,204,942.12 - Step 6: Final answer
x = 10,112,742.82
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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.