Finding the Fourth Proportional to 7,572,505.75, 11,358,758.63 and 2,253,721.75
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Solution
The fourth proportional to 7,572,505.75, 11,358,758.63 and 2,253,721.75 is: 3,380,582.63
Step by Step Solution
- Step 1: Write the proportion equation
7,572,505.75 : 11,358,758.63 = 2,253,721.75 : x - Step 2: Convert to fraction form
7,572,505.75/11,358,758.63 = 2,253,721.75/x - Step 3: Cross multiply
7,572,505.75x = 11,358,758.63 × 2,253,721.75 - Step 4: Simplify right side
7,572,505.75x = 25,599,481,377,431.20 - Step 5: Solve for x
x = 25,599,481,377,431.20/7,572,505.75 - Step 6: Final answer
x = 3,380,582.63
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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.