Finding the Fourth Proportional to 16,183,896.80, 24,275,845.20 and 8,625,624.80
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Solution
The fourth proportional to 16,183,896.80, 24,275,845.20 and 8,625,624.80 is: 12,938,437.20
Step by Step Solution
- Step 1: Write the proportion equation
16,183,896.80 : 24,275,845.20 = 8,625,624.80 : x - Step 2: Convert to fraction form
16,183,896.80/24,275,845.20 = 8,625,624.80/x - Step 3: Cross multiply
16,183,896.80x = 24,275,845.20 × 8,625,624.80 - Step 4: Simplify right side
16,183,896.80x = 209,394,332,398,080.97 - Step 5: Solve for x
x = 209,394,332,398,080.97/16,183,896.80 - Step 6: Final answer
x = 12,938,437.20
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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.