Finding the Fourth Proportional to 10,415,934.70, 15,618,193.84 and 3,225,472.36
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Solution
The fourth proportional to 10,415,934.70, 15,618,193.84 and 3,225,472.36 is: 4,836,440.90
Step by Step Solution
- Step 1: Write the proportion equation
10,415,934.70 : 15,618,193.84 = 3,225,472.36 : x - Step 2: Convert to fraction form
10,415,934.70/15,618,193.84 = 3,225,472.36/x - Step 3: Cross multiply
10,415,934.70x = 15,618,193.84 × 3,225,472.36 - Step 4: Simplify right side
10,415,934.70x = 50,376,052,544,042.26 - Step 5: Solve for x
x = 50,376,052,544,042.26/10,415,934.70 - Step 6: Final answer
x = 4,836,440.90
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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.