Finding the Fourth Proportional to 8,283,770.53, 12,419,882.35 and 3,670,249.09
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Solution
The fourth proportional to 8,283,770.53, 12,419,882.35 and 3,670,249.09 is: 5,502,815.63
Step by Step Solution
- Step 1: Write the proportion equation
8,283,770.53 : 12,419,882.35 = 3,670,249.09 : x - Step 2: Convert to fraction form
8,283,770.53/12,419,882.35 = 3,670,249.09/x - Step 3: Cross multiply
8,283,770.53x = 12,419,882.35 × 3,670,249.09 - Step 4: Simplify right side
8,283,770.53x = 45,584,061,892,994.55 - Step 5: Solve for x
x = 45,584,061,892,994.55/8,283,770.53 - Step 6: Final answer
x = 5,502,815.63
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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.