Finding the Fourth Proportional to 14,568,961.55, 20,104,639.97 and 8,042,450.87
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Solution
The fourth proportional to 14,568,961.55, 20,104,639.97 and 8,042,450.87 is: 11,098,291.30
Step by Step Solution
- Step 1: Write the proportion equation
14,568,961.55 : 20,104,639.97 = 8,042,450.87 : x - Step 2: Convert to fraction form
14,568,961.55/20,104,639.97 = 8,042,450.87/x - Step 3: Cross multiply
14,568,961.55x = 20,104,639.97 × 8,042,450.87 - Step 4: Simplify right side
14,568,961.55x = 161,690,579,227,812.62 - Step 5: Solve for x
x = 161,690,579,227,812.62/14,568,961.55 - Step 6: Final answer
x = 11,098,291.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.