Finding the Fourth Proportional to 11,074,454.80, 16,611,682.20 and 2,987,414.80
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Solution
The fourth proportional to 11,074,454.80, 16,611,682.20 and 2,987,414.80 is: 4,481,122.20
Step by Step Solution
- Step 1: Write the proportion equation
11,074,454.80 : 16,611,682.20 = 2,987,414.80 : x - Step 2: Convert to fraction form
11,074,454.80/16,611,682.20 = 2,987,414.80/x - Step 3: Cross multiply
11,074,454.80x = 16,611,682.20 × 2,987,414.80 - Step 4: Simplify right side
11,074,454.80x = 49,625,985,257,176.55 - Step 5: Solve for x
x = 49,625,985,257,176.55/11,074,454.80 - Step 6: Final answer
x = 4,481,122.20
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1.5x scale
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.