Finding the Fourth Proportional to 7,485,159.75, 11,222,912.28 and 2,936,668.23
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Solution
The fourth proportional to 7,485,159.75, 11,222,912.28 and 2,936,668.23 is: 4,403,108.43
Step by Step Solution
- Step 1: Write the proportion equation
7,485,159.75 : 11,222,912.28 = 2,936,668.23 : x - Step 2: Convert to fraction form
7,485,159.75/11,222,912.28 = 2,936,668.23/x - Step 3: Cross multiply
7,485,159.75x = 11,222,912.28 × 2,936,668.23 - Step 4: Simplify right side
7,485,159.75x = 32,957,969,951,765.37 - Step 5: Solve for x
x = 32,957,969,951,765.37/7,485,159.75 - Step 6: Final answer
x = 4,403,108.43
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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.