Finding the Fourth Proportional to 18,279,606.20, 27,419,407.64 and 8,044,465.99
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Solution
The fourth proportional to 18,279,606.20, 27,419,407.64 and 8,044,465.99 is: 12,066,698.25
Step by Step Solution
- Step 1: Write the proportion equation
18,279,606.20 : 27,419,407.64 = 8,044,465.99 : x - Step 2: Convert to fraction form
18,279,606.20/27,419,407.64 = 8,044,465.99/x - Step 3: Cross multiply
18,279,606.20x = 27,419,407.64 × 8,044,465.99 - Step 4: Simplify right side
18,279,606.20x = 220,574,492,162,348.53 - Step 5: Solve for x
x = 220,574,492,162,348.53/18,279,606.20 - Step 6: Final answer
x = 12,066,698.25
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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.