Finding the Fourth Proportional to 14,849,050.75, 20,491,734.18 and 8,234,105.23
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Solution
The fourth proportional to 14,849,050.75, 20,491,734.18 and 8,234,105.23 is: 11,363,089.69
Step by Step Solution
- Step 1: Write the proportion equation
14,849,050.75 : 20,491,734.18 = 8,234,105.23 : x - Step 2: Convert to fraction form
14,849,050.75/20,491,734.18 = 8,234,105.23/x - Step 3: Cross multiply
14,849,050.75x = 20,491,734.18 × 8,234,105.23 - Step 4: Simplify right side
14,849,050.75x = 168,731,095,498,430.22 - Step 5: Solve for x
x = 168,731,095,498,430.22/14,849,050.75 - Step 6: Final answer
x = 11,363,089.69
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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.