Finding the Fourth Proportional to 43,431,392.68, 65,147,046.87 and 11,083,295.44
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Solution
The fourth proportional to 43,431,392.68, 65,147,046.87 and 11,083,295.44 is: 16,624,932.40
Step by Step Solution
- Step 1: Write the proportion equation
43,431,392.68 : 65,147,046.87 = 11,083,295.44 : x - Step 2: Convert to fraction form
43,431,392.68/65,147,046.87 = 11,083,295.44/x - Step 3: Cross multiply
43,431,392.68x = 65,147,046.87 × 11,083,295.44 - Step 4: Simplify right side
43,431,392.68x = 722,043,967,503,737.25 - Step 5: Solve for x
x = 722,043,967,503,737.25/43,431,392.68 - Step 6: Final answer
x = 16,624,932.40
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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.