Finding the Fourth Proportional to 11,019,529.40, 16,496,634.90 and 8,192,175.80
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Solution
The fourth proportional to 11,019,529.40, 16,496,634.90 and 8,192,175.80 is: 12,263,984.09
Step by Step Solution
- Step 1: Write the proportion equation
11,019,529.40 : 16,496,634.90 = 8,192,175.80 : x - Step 2: Convert to fraction form
11,019,529.40/16,496,634.90 = 8,192,175.80/x - Step 3: Cross multiply
11,019,529.40x = 16,496,634.90 × 8,192,175.80 - Step 4: Simplify right side
11,019,529.40x = 135,143,333,209,215.42 - Step 5: Solve for x
x = 135,143,333,209,215.42/11,019,529.40 - Step 6: Final answer
x = 12,263,984.09
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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.