Finding the Fourth Proportional to 7,682,942.16, 11,525,664.11 and 3,588,357.87
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Solution
The fourth proportional to 7,682,942.16, 11,525,664.11 and 3,588,357.87 is: 5,383,121.03
Step by Step Solution
- Step 1: Write the proportion equation
7,682,942.16 : 11,525,664.11 = 3,588,357.87 : x - Step 2: Convert to fraction form
7,682,942.16/11,525,664.11 = 3,588,357.87/x - Step 3: Cross multiply
7,682,942.16x = 11,525,664.11 × 3,588,357.87 - Step 4: Simplify right side
7,682,942.16x = 41,358,207,498,153.26 - Step 5: Solve for x
x = 41,358,207,498,153.26/7,682,942.16 - Step 6: Final answer
x = 5,383,121.03
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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.