Finding the Fourth Proportional to 18,125,912.06, 25,016,147.43 and 10,883,034.62
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Solution
The fourth proportional to 18,125,912.06, 25,016,147.43 and 10,883,034.62 is: 15,020,022.03
Step by Step Solution
- Step 1: Write the proportion equation
18,125,912.06 : 25,016,147.43 = 10,883,034.62 : x - Step 2: Convert to fraction form
18,125,912.06/25,016,147.43 = 10,883,034.62/x - Step 3: Cross multiply
18,125,912.06x = 25,016,147.43 × 10,883,034.62 - Step 4: Simplify right side
18,125,912.06x = 272,251,598,539,714 - Step 5: Solve for x
x = 272,251,598,539,714/18,125,912.06 - Step 6: Final answer
x = 15,020,022.03
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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.