Finding the Fourth Proportional to 16,183,879.80, 24,275,819.70 and 8,625,607.80
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Solution
The fourth proportional to 16,183,879.80, 24,275,819.70 and 8,625,607.80 is: 12,938,411.70
Step by Step Solution
- Step 1: Write the proportion equation
16,183,879.80 : 24,275,819.70 = 8,625,607.80 : x - Step 2: Convert to fraction form
16,183,879.80/24,275,819.70 = 8,625,607.80/x - Step 3: Cross multiply
16,183,879.80x = 24,275,819.70 × 8,625,607.80 - Step 4: Simplify right side
16,183,879.80x = 209,393,699,755,713.66 - Step 5: Solve for x
x = 209,393,699,755,713.66/16,183,879.80 - Step 6: Final answer
x = 12,938,411.70
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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.