Finding the Fourth Proportional to 16,543,042.40, 24,814,563.60 and 11,972,649.80
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Solution
The fourth proportional to 16,543,042.40, 24,814,563.60 and 11,972,649.80 is: 17,958,974.70
Step by Step Solution
- Step 1: Write the proportion equation
16,543,042.40 : 24,814,563.60 = 11,972,649.80 : x - Step 2: Convert to fraction form
16,543,042.40/24,814,563.60 = 11,972,649.80/x - Step 3: Cross multiply
16,543,042.40x = 24,814,563.60 × 11,972,649.80 - Step 4: Simplify right side
16,543,042.40x = 297,096,079,922,627.31 - Step 5: Solve for x
x = 297,096,079,922,627.31/16,543,042.40 - Step 6: Final answer
x = 17,958,974.70
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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.