Finding the Fourth Proportional to 17,782,720.92, 24,540,179.85 and 9,633,958.92
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Solution
The fourth proportional to 17,782,720.92, 24,540,179.85 and 9,633,958.92 is: 13,294,876.84
Step by Step Solution
- Step 1: Write the proportion equation
17,782,720.92 : 24,540,179.85 = 9,633,958.92 : x - Step 2: Convert to fraction form
17,782,720.92/24,540,179.85 = 9,633,958.92/x - Step 3: Cross multiply
17,782,720.92x = 24,540,179.85 × 9,633,958.92 - Step 4: Simplify right side
17,782,720.92x = 236,419,084,564,311.78 - Step 5: Solve for x
x = 236,419,084,564,311.78/17,782,720.92 - Step 6: Final answer
x = 13,294,876.84
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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.