Finding the Fourth Proportional to 14,568,963.29, 20,104,642.38 and 8,042,452.62
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Solution
The fourth proportional to 14,568,963.29, 20,104,642.38 and 8,042,452.62 is: 11,098,293.72
Step by Step Solution
- Step 1: Write the proportion equation
14,568,963.29 : 20,104,642.38 = 8,042,452.62 : x - Step 2: Convert to fraction form
14,568,963.29/20,104,642.38 = 8,042,452.62/x - Step 3: Cross multiply
14,568,963.29x = 20,104,642.38 × 8,042,452.62 - Step 4: Simplify right side
14,568,963.29x = 161,690,633,783,194.03 - Step 5: Solve for x
x = 161,690,633,783,194.03/14,568,963.29 - Step 6: Final answer
x = 11,098,293.72
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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.