Finding the Fourth Proportional to 11,451,649.80, 17,177,474.70 and 10,891,777.80
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Solution
The fourth proportional to 11,451,649.80, 17,177,474.70 and 10,891,777.80 is: 16,337,666.70
Step by Step Solution
- Step 1: Write the proportion equation
11,451,649.80 : 17,177,474.70 = 10,891,777.80 : x - Step 2: Convert to fraction form
11,451,649.80/17,177,474.70 = 10,891,777.80/x - Step 3: Cross multiply
11,451,649.80x = 17,177,474.70 × 10,891,777.80 - Step 4: Simplify right side
11,451,649.80x = 187,093,237,597,521.66 - Step 5: Solve for x
x = 187,093,237,597,521.66/11,451,649.80 - Step 6: Final answer
x = 16,337,666.70
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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.