Finding the Fourth Proportional to 7,675,766.87, 11,517,245.69 and 3,783,101.95
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Solution
The fourth proportional to 7,675,766.87, 11,517,245.69 and 3,783,101.95 is: 5,676,424.96
Step by Step Solution
- Step 1: Write the proportion equation
7,675,766.87 : 11,517,245.69 = 3,783,101.95 : x - Step 2: Convert to fraction form
7,675,766.87/11,517,245.69 = 3,783,101.95/x - Step 3: Cross multiply
7,675,766.87x = 11,517,245.69 × 3,783,101.95 - Step 4: Simplify right side
7,675,766.87x = 43,570,914,639,671.62 - Step 5: Solve for x
x = 43,570,914,639,671.62/7,675,766.87 - Step 6: Final answer
x = 5,676,424.96
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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.