Finding the Fourth Proportional to 13,512,107.28, 20,268,767.12 and 4,414,759.12
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Solution
The fourth proportional to 13,512,107.28, 20,268,767.12 and 4,414,759.12 is: 6,622,336.74
Step by Step Solution
- Step 1: Write the proportion equation
13,512,107.28 : 20,268,767.12 = 4,414,759.12 : x - Step 2: Convert to fraction form
13,512,107.28/20,268,767.12 = 4,414,759.12/x - Step 3: Cross multiply
13,512,107.28x = 20,268,767.12 × 4,414,759.12 - Step 4: Simplify right side
13,512,107.28x = 89,481,724,494,176.14 - Step 5: Solve for x
x = 89,481,724,494,176.14/13,512,107.28 - Step 6: Final answer
x = 6,622,336.74
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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.