Finding the Fourth Proportional to 18,517,138.24, 25,554,704.16 and 10,368,304.96
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Solution
The fourth proportional to 18,517,138.24, 25,554,704.16 and 10,368,304.96 is: 14,308,850.67
Step by Step Solution
- Step 1: Write the proportion equation
18,517,138.24 : 25,554,704.16 = 10,368,304.96 : x - Step 2: Convert to fraction form
18,517,138.24/25,554,704.16 = 10,368,304.96/x - Step 3: Cross multiply
18,517,138.24x = 25,554,704.16 × 10,368,304.96 - Step 4: Simplify right side
18,517,138.24x = 264,958,965,893,460.66 - Step 5: Solve for x
x = 264,958,965,893,460.66/18,517,138.24 - Step 6: Final answer
x = 14,308,850.67
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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.