Finding the Fourth Proportional to 18,544,743.12, 27,816,818.94 and 5,081,571.12
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Solution
The fourth proportional to 18,544,743.12, 27,816,818.94 and 5,081,571.12 is: 7,622,275.64
Step by Step Solution
- Step 1: Write the proportion equation
18,544,743.12 : 27,816,818.94 = 5,081,571.12 : x - Step 2: Convert to fraction form
18,544,743.12/27,816,818.94 = 5,081,571.12/x - Step 3: Cross multiply
18,544,743.12x = 27,816,818.94 × 5,081,571.12 - Step 4: Simplify right side
18,544,743.12x = 141,353,143,775,773.03 - Step 5: Solve for x
x = 141,353,143,775,773.03/18,544,743.12 - Step 6: Final answer
x = 7,622,275.64
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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.