Finding the Fourth Proportional to 32,373,786.80, 48,497,694.60 and 19,556,217.20
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Solution
The fourth proportional to 32,373,786.80, 48,497,694.60 and 19,556,217.20 is: 29,296,277.73
Step by Step Solution
- Step 1: Write the proportion equation
32,373,786.80 : 48,497,694.60 = 19,556,217.20 : x - Step 2: Convert to fraction form
32,373,786.80/48,497,694.60 = 19,556,217.20/x - Step 3: Cross multiply
32,373,786.80x = 48,497,694.60 × 19,556,217.20 - Step 4: Simplify right side
32,373,786.80x = 948,431,449,296,867.12 - Step 5: Solve for x
x = 948,431,449,296,867.12/32,373,786.80 - Step 6: Final answer
x = 29,296,277.73
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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.