Finding the Fourth Proportional to 36,909,704.20, 55,364,556.30 and 21,541,217.80
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Solution
The fourth proportional to 36,909,704.20, 55,364,556.30 and 21,541,217.80 is: 32,311,826.70
Step by Step Solution
- Step 1: Write the proportion equation
36,909,704.20 : 55,364,556.30 = 21,541,217.80 : x - Step 2: Convert to fraction form
36,909,704.20/55,364,556.30 = 21,541,217.80/x - Step 3: Cross multiply
36,909,704.20x = 55,364,556.30 × 21,541,217.80 - Step 4: Simplify right side
36,909,704.20x = 1,192,619,965,658,662 - Step 5: Solve for x
x = 1,192,619,965,658,662/36,909,704.20 - Step 6: Final answer
x = 32,311,826.70
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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.