Finding the Fourth Proportional to 7,709,632.11, 11,556,310.26 and 2,587,205.19
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Solution
The fourth proportional to 7,709,632.11, 11,556,310.26 and 2,587,205.19 is: 3,878,076.86
Step by Step Solution
- Step 1: Write the proportion equation
7,709,632.11 : 11,556,310.26 = 2,587,205.19 : x - Step 2: Convert to fraction form
7,709,632.11/11,556,310.26 = 2,587,205.19/x - Step 3: Cross multiply
7,709,632.11x = 11,556,310.26 × 2,587,205.19 - Step 4: Simplify right side
7,709,632.11x = 29,898,545,881,922.25 - Step 5: Solve for x
x = 29,898,545,881,922.25/7,709,632.11 - Step 6: Final answer
x = 3,878,076.86
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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.