Finding the Fourth Proportional to 18,303,070.26, 27,454,766.31 and 4,656,231.12
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Solution
The fourth proportional to 18,303,070.26, 27,454,766.31 and 4,656,231.12 is: 6,984,387.62
Step by Step Solution
- Step 1: Write the proportion equation
18,303,070.26 : 27,454,766.31 = 4,656,231.12 : x - Step 2: Convert to fraction form
18,303,070.26/27,454,766.31 = 4,656,231.12/x - Step 3: Cross multiply
18,303,070.26x = 27,454,766.31 × 4,656,231.12 - Step 4: Simplify right side
18,303,070.26x = 127,835,737,284,949.56 - Step 5: Solve for x
x = 127,835,737,284,949.56/18,303,070.26 - Step 6: Final answer
x = 6,984,387.62
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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.