Finding the Fourth Proportional to 11,723,045.36, 16,183,343.58 and 7,858,091.48
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Solution
The fourth proportional to 11,723,045.36, 16,183,343.58 and 7,858,091.48 is: 10,847,880.43
Step by Step Solution
- Step 1: Write the proportion equation
11,723,045.36 : 16,183,343.58 = 7,858,091.48 : x - Step 2: Convert to fraction form
11,723,045.36/16,183,343.58 = 7,858,091.48/x - Step 3: Cross multiply
11,723,045.36x = 16,183,343.58 × 7,858,091.48 - Step 4: Simplify right side
11,723,045.36x = 127,170,194,303,910.70 - Step 5: Solve for x
x = 127,170,194,303,910.70/11,723,045.36 - Step 6: Final answer
x = 10,847,880.43
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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.