Finding the Fourth Proportional to 8,135,906.60, 12,203,471.10 and 2,744,028.20
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Solution
The fourth proportional to 8,135,906.60, 12,203,471.10 and 2,744,028.20 is: 4,115,911.17
Step by Step Solution
- Step 1: Write the proportion equation
8,135,906.60 : 12,203,471.10 = 2,744,028.20 : x - Step 2: Convert to fraction form
8,135,906.60/12,203,471.10 = 2,744,028.20/x - Step 3: Cross multiply
8,135,906.60x = 12,203,471.10 × 2,744,028.20 - Step 4: Simplify right side
8,135,906.60x = 33,486,668,836,285.02 - Step 5: Solve for x
x = 33,486,668,836,285.02/8,135,906.60 - Step 6: Final answer
x = 4,115,911.17
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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.