Finding the Fourth Proportional to 11,286,523.36, 16,925,452.74 and 4,805,489.71
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Solution
The fourth proportional to 11,286,523.36, 16,925,452.74 and 4,805,489.71 is: 7,206,389.99
Step by Step Solution
- Step 1: Write the proportion equation
11,286,523.36 : 16,925,452.74 = 4,805,489.71 : x - Step 2: Convert to fraction form
11,286,523.36/16,925,452.74 = 4,805,489.71/x - Step 3: Cross multiply
11,286,523.36x = 16,925,452.74 × 4,805,489.71 - Step 4: Simplify right side
11,286,523.36x = 81,335,088,936,847.66 - Step 5: Solve for x
x = 81,335,088,936,847.66/11,286,523.36 - Step 6: Final answer
x = 7,206,389.99
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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.