Finding the Fourth Proportional to 16,384,237.62, 22,618,748.13 and 11,969,006.46
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Solution
The fourth proportional to 16,384,237.62, 22,618,748.13 and 11,969,006.46 is: 16,523,438.49
Step by Step Solution
- Step 1: Write the proportion equation
16,384,237.62 : 22,618,748.13 = 11,969,006.46 : x - Step 2: Convert to fraction form
16,384,237.62/22,618,748.13 = 11,969,006.46/x - Step 3: Cross multiply
16,384,237.62x = 22,618,748.13 × 11,969,006.46 - Step 4: Simplify right side
16,384,237.62x = 270,723,942,485,082.94 - Step 5: Solve for x
x = 270,723,942,485,082.94/16,384,237.62 - Step 6: Final answer
x = 16,523,438.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.