Finding the Fourth Proportional to 8,940,957.70, 12,338,785.97 and 6,332,129.14
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Solution
The fourth proportional to 8,940,957.70, 12,338,785.97 and 6,332,129.14 is: 8,738,525.42
Step by Step Solution
- Step 1: Write the proportion equation
8,940,957.70 : 12,338,785.97 = 6,332,129.14 : x - Step 2: Convert to fraction form
8,940,957.70/12,338,785.97 = 6,332,129.14/x - Step 3: Cross multiply
8,940,957.70x = 12,338,785.97 × 6,332,129.14 - Step 4: Simplify right side
8,940,957.70x = 78,130,786,161,199.52 - Step 5: Solve for x
x = 78,130,786,161,199.52/8,940,957.70 - Step 6: Final answer
x = 8,738,525.42
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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.