Finding the Fourth Proportional to 24,157,218.75, 33,336,961.88 and 13,292,202.75
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Solution
The fourth proportional to 24,157,218.75, 33,336,961.88 and 13,292,202.75 is: 18,343,239.80
Step by Step Solution
- Step 1: Write the proportion equation
24,157,218.75 : 33,336,961.88 = 13,292,202.75 : x - Step 2: Convert to fraction form
24,157,218.75/33,336,961.88 = 13,292,202.75/x - Step 3: Cross multiply
24,157,218.75x = 33,336,961.88 × 13,292,202.75 - Step 4: Simplify right side
24,157,218.75x = 443,121,656,311,520.12 - Step 5: Solve for x
x = 443,121,656,311,520.12/24,157,218.75 - Step 6: Final answer
x = 18,343,239.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.