Finding the Fourth Proportional to 7,016,392.75, 9,682,622.01 and 3,797,128.75
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Solution
The fourth proportional to 7,016,392.75, 9,682,622.01 and 3,797,128.75 is: 5,240,037.68
Step by Step Solution
- Step 1: Write the proportion equation
7,016,392.75 : 9,682,622.01 = 3,797,128.75 : x - Step 2: Convert to fraction form
7,016,392.75/9,682,622.01 = 3,797,128.75/x - Step 3: Cross multiply
7,016,392.75x = 9,682,622.01 × 3,797,128.75 - Step 4: Simplify right side
7,016,392.75x = 36,766,162,409,553.79 - Step 5: Solve for x
x = 36,766,162,409,553.79/7,016,392.75 - Step 6: Final answer
x = 5,240,037.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.