Finding the Fourth Proportional to 27,662,575.20, 41,505,672.60 and 13,278,238.80
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Solution
The fourth proportional to 27,662,575.20, 41,505,672.60 and 13,278,238.80 is: 19,923,026.99
Step by Step Solution
- Step 1: Write the proportion equation
27,662,575.20 : 41,505,672.60 = 13,278,238.80 : x - Step 2: Convert to fraction form
27,662,575.20/41,505,672.60 = 13,278,238.80/x - Step 3: Cross multiply
27,662,575.20x = 41,505,672.60 × 13,278,238.80 - Step 4: Simplify right side
27,662,575.20x = 551,122,232,337,416.94 - Step 5: Solve for x
x = 551,122,232,337,416.94/27,662,575.20 - Step 6: Final answer
x = 19,923,026.99
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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.