Finding the Fourth Proportional to 12,719,662.62, 17,551,540.17 and 8,598,660.18
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Solution
The fourth proportional to 12,719,662.62, 17,551,540.17 and 8,598,660.18 is: 11,865,073.32
Step by Step Solution
- Step 1: Write the proportion equation
12,719,662.62 : 17,551,540.17 = 8,598,660.18 : x - Step 2: Convert to fraction form
12,719,662.62/17,551,540.17 = 8,598,660.18/x - Step 3: Cross multiply
12,719,662.62x = 17,551,540.17 × 8,598,660.18 - Step 4: Simplify right side
12,719,662.62x = 150,919,729,557,449.44 - Step 5: Solve for x
x = 150,919,729,557,449.44/12,719,662.62 - Step 6: Final answer
x = 11,865,073.32
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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.