Finding the Fourth Proportional to 8,183,123.70, 12,274,240.11 and 2,503,347.99
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Solution
The fourth proportional to 8,183,123.70, 12,274,240.11 and 2,503,347.99 is: 3,754,885.72
Step by Step Solution
- Step 1: Write the proportion equation
8,183,123.70 : 12,274,240.11 = 2,503,347.99 : x - Step 2: Convert to fraction form
8,183,123.70/12,274,240.11 = 2,503,347.99/x - Step 3: Cross multiply
8,183,123.70x = 12,274,240.11 × 2,503,347.99 - Step 4: Simplify right side
8,183,123.70x = 30,726,694,308,145.88 - Step 5: Solve for x
x = 30,726,694,308,145.88/8,183,123.70 - Step 6: Final answer
x = 3,754,885.72
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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.