Finding the Fourth Proportional to 11,728,872.63, 16,176,247.97 and 8,255,708.87
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Solution
The fourth proportional to 11,728,872.63, 16,176,247.97 and 8,255,708.87 is: 11,386,123.62
Step by Step Solution
- Step 1: Write the proportion equation
11,728,872.63 : 16,176,247.97 = 8,255,708.87 : x - Step 2: Convert to fraction form
11,728,872.63/16,176,247.97 = 8,255,708.87/x - Step 3: Cross multiply
11,728,872.63x = 16,176,247.97 × 8,255,708.87 - Step 4: Simplify right side
11,728,872.63x = 133,546,393,727,088.72 - Step 5: Solve for x
x = 133,546,393,727,088.72/11,728,872.63 - Step 6: Final answer
x = 11,386,123.62
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1.5x scale
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.