Finding the Fourth Proportional to 11,081,208.20, 16,624,922.70 and 5,401,617.80
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Solution
The fourth proportional to 11,081,208.20, 16,624,922.70 and 5,401,617.80 is: 8,103,942.89
Step by Step Solution
- Step 1: Write the proportion equation
11,081,208.20 : 16,624,922.70 = 5,401,617.80 : x - Step 2: Convert to fraction form
11,081,208.20/16,624,922.70 = 5,401,617.80/x - Step 3: Cross multiply
11,081,208.20x = 16,624,922.70 × 5,401,617.80 - Step 4: Simplify right side
11,081,208.20x = 89,801,478,379,944.05 - Step 5: Solve for x
x = 89,801,478,379,944.05/11,081,208.20 - Step 6: Final answer
x = 8,103,942.89
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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.