Finding the Fourth Proportional to 18,544,744.12, 27,816,820.44 and 5,081,572.12
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Solution
The fourth proportional to 18,544,744.12, 27,816,820.44 and 5,081,572.12 is: 7,622,277.14
Step by Step Solution
- Step 1: Write the proportion equation
18,544,744.12 : 27,816,820.44 = 5,081,572.12 : x - Step 2: Convert to fraction form
18,544,744.12/27,816,820.44 = 5,081,572.12/x - Step 3: Cross multiply
18,544,744.12x = 27,816,820.44 × 5,081,572.12 - Step 4: Simplify right side
18,544,744.12x = 141,353,179,214,950.16 - Step 5: Solve for x
x = 141,353,179,214,950.16/18,544,744.12 - Step 6: Final answer
x = 7,622,277.14
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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.