Finding the Fourth Proportional to 20,512,229.40, 30,754,676.50 and 11,294,542.44
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Solution
The fourth proportional to 20,512,229.40, 30,754,676.50 and 11,294,542.44 is: 16,934,287.94
Step by Step Solution
- Step 1: Write the proportion equation
20,512,229.40 : 30,754,676.50 = 11,294,542.44 : x - Step 2: Convert to fraction form
20,512,229.40/30,754,676.50 = 11,294,542.44/x - Step 3: Cross multiply
20,512,229.40x = 30,754,676.50 × 11,294,542.44 - Step 4: Simplify right side
20,512,229.40x = 347,359,998,957,720.62 - Step 5: Solve for x
x = 347,359,998,957,720.62/20,512,229.40 - Step 6: Final answer
x = 16,934,287.94
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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.