Finding the Fourth Proportional to 45,514,933.75, 68,272,469.88 and 18,588,589.75
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Solution
The fourth proportional to 45,514,933.75, 68,272,469.88 and 18,588,589.75 is: 27,882,912.91
Step by Step Solution
- Step 1: Write the proportion equation
45,514,933.75 : 68,272,469.88 = 18,588,589.75 : x - Step 2: Convert to fraction form
45,514,933.75/68,272,469.88 = 18,588,589.75/x - Step 3: Cross multiply
45,514,933.75x = 68,272,469.88 × 18,588,589.75 - Step 4: Simplify right side
45,514,933.75x = 1,269,088,933,818,551.75 - Step 5: Solve for x
x = 1,269,088,933,818,551.75/45,514,933.75 - Step 6: Final answer
x = 27,882,912.91
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1.5x scale
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.