Finding the Fourth Proportional to 11,296,662.80, 16,934,496.60 and 7,884,942.80
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Solution
The fourth proportional to 11,296,662.80, 16,934,496.60 and 7,884,942.80 is: 11,820,086.99
Step by Step Solution
- Step 1: Write the proportion equation
11,296,662.80 : 16,934,496.60 = 7,884,942.80 : x - Step 2: Convert to fraction form
11,296,662.80/16,934,496.60 = 7,884,942.80/x - Step 3: Cross multiply
11,296,662.80x = 16,934,496.60 × 7,884,942.80 - Step 4: Simplify right side
11,296,662.80x = 133,527,537,037,794.48 - Step 5: Solve for x
x = 133,527,537,037,794.48/11,296,662.80 - Step 6: Final answer
x = 11,820,086.99
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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.