Finding the Fourth Proportional to 18,142,475.09, 27,222,439.23 and 11,317,296.42
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Solution
The fourth proportional to 18,142,475.09, 27,222,439.23 and 11,317,296.42 is: 16,981,388.29
Step by Step Solution
- Step 1: Write the proportion equation
18,142,475.09 : 27,222,439.23 = 11,317,296.42 : x - Step 2: Convert to fraction form
18,142,475.09/27,222,439.23 = 11,317,296.42/x - Step 3: Cross multiply
18,142,475.09x = 27,222,439.23 × 11,317,296.42 - Step 4: Simplify right side
18,142,475.09x = 308,084,414,041,346.56 - Step 5: Solve for x
x = 308,084,414,041,346.56/18,142,475.09 - Step 6: Final answer
x = 16,981,388.29
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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.