Finding the Fourth Proportional to 18,279,606.16, 27,419,407.57 and 8,044,465.94
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Solution
The fourth proportional to 18,279,606.16, 27,419,407.57 and 8,044,465.94 is: 12,066,698.18
Step by Step Solution
- Step 1: Write the proportion equation
18,279,606.16 : 27,419,407.57 = 8,044,465.94 : x - Step 2: Convert to fraction form
18,279,606.16/27,419,407.57 = 8,044,465.94/x - Step 3: Cross multiply
18,279,606.16x = 27,419,407.57 × 8,044,465.94 - Step 4: Simplify right side
18,279,606.16x = 220,574,490,315,601.91 - Step 5: Solve for x
x = 220,574,490,315,601.91/18,279,606.16 - Step 6: Final answer
x = 12,066,698.18
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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.