Finding the Fourth Proportional to 18,131,682.44, 27,197,523.66 and 12,434,634.92
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Solution
The fourth proportional to 18,131,682.44, 27,197,523.66 and 12,434,634.92 is: 18,651,952.38
Step by Step Solution
- Step 1: Write the proportion equation
18,131,682.44 : 27,197,523.66 = 12,434,634.92 : x - Step 2: Convert to fraction form
18,131,682.44/27,197,523.66 = 12,434,634.92/x - Step 3: Cross multiply
18,131,682.44x = 27,197,523.66 × 12,434,634.92 - Step 4: Simplify right side
18,131,682.44x = 338,191,277,377,989.06 - Step 5: Solve for x
x = 338,191,277,377,989.06/18,131,682.44 - Step 6: Final answer
x = 18,651,952.38
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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.