Finding the Fourth Proportional to 11,008,464.80, 16,512,697.20 and 10,299,876.80
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Solution
The fourth proportional to 11,008,464.80, 16,512,697.20 and 10,299,876.80 is: 15,449,815.20
Step by Step Solution
- Step 1: Write the proportion equation
11,008,464.80 : 16,512,697.20 = 10,299,876.80 : x - Step 2: Convert to fraction form
11,008,464.80/16,512,697.20 = 10,299,876.80/x - Step 3: Cross multiply
11,008,464.80x = 16,512,697.20 × 10,299,876.80 - Step 4: Simplify right side
11,008,464.80x = 170,078,746,795,704.97 - Step 5: Solve for x
x = 170,078,746,795,704.97/11,008,464.80 - Step 6: Final answer
x = 15,449,815.20
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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.