Finding the Fourth Proportional to 7,432,843.80, 11,149,265.70 and 2,384,664.60
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Solution
The fourth proportional to 7,432,843.80, 11,149,265.70 and 2,384,664.60 is: 3,576,996.90
Step by Step Solution
- Step 1: Write the proportion equation
7,432,843.80 : 11,149,265.70 = 2,384,664.60 : x - Step 2: Convert to fraction form
7,432,843.80/11,149,265.70 = 2,384,664.60/x - Step 3: Cross multiply
7,432,843.80x = 11,149,265.70 × 2,384,664.60 - Step 4: Simplify right side
7,432,843.80x = 26,587,259,230,784.22 - Step 5: Solve for x
x = 26,587,259,230,784.22/7,432,843.80 - Step 6: Final answer
x = 3,576,996.90
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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.