Finding the Fourth Proportional to 7,881,736.20, 11,827,273.68 and 3,332,536.44
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Solution
The fourth proportional to 7,881,736.20, 11,827,273.68 and 3,332,536.44 is: 5,000,778.96
Step by Step Solution
- Step 1: Write the proportion equation
7,881,736.20 : 11,827,273.68 = 3,332,536.44 : x - Step 2: Convert to fraction form
7,881,736.20/11,827,273.68 = 3,332,536.44/x - Step 3: Cross multiply
7,881,736.20x = 11,827,273.68 × 3,332,536.44 - Step 4: Simplify right side
7,881,736.20x = 39,414,820,524,452.90 - Step 5: Solve for x
x = 39,414,820,524,452.90/7,881,736.20 - Step 6: Final answer
x = 5,000,778.96
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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.