Finding the Fourth Proportional to 19,383,553.80, 29,043,837.90 and 16,171,288.20
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Solution
The fourth proportional to 19,383,553.80, 29,043,837.90 and 16,171,288.20 is: 24,230,658.52
Step by Step Solution
- Step 1: Write the proportion equation
19,383,553.80 : 29,043,837.90 = 16,171,288.20 : x - Step 2: Convert to fraction form
19,383,553.80/29,043,837.90 = 16,171,288.20/x - Step 3: Cross multiply
19,383,553.80x = 29,043,837.90 × 16,171,288.20 - Step 4: Simplify right side
19,383,553.80x = 469,676,273,114,982.75 - Step 5: Solve for x
x = 469,676,273,114,982.75/19,383,553.80 - Step 6: Final answer
x = 24,230,658.52
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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.