Finding the Fourth Proportional to 18,874,912.74, 26,039,183.58 and 11,995,704.24
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Solution
The fourth proportional to 18,874,912.74, 26,039,183.58 and 11,995,704.24 is: 16,548,862.99
Step by Step Solution
- Step 1: Write the proportion equation
18,874,912.74 : 26,039,183.58 = 11,995,704.24 : x - Step 2: Convert to fraction form
18,874,912.74/26,039,183.58 = 11,995,704.24/x - Step 3: Cross multiply
18,874,912.74x = 26,039,183.58 × 11,995,704.24 - Step 4: Simplify right side
18,874,912.74x = 312,358,344,876,744.38 - Step 5: Solve for x
x = 312,358,344,876,744.38/18,874,912.74 - Step 6: Final answer
x = 16,548,862.99
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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.