Finding the Fourth Proportional to 8,119,845.05, 11,203,961.99 and 4,633,592.09
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Solution
The fourth proportional to 8,119,845.05, 11,203,961.99 and 4,633,592.09 is: 6,393,544.37
Step by Step Solution
- Step 1: Write the proportion equation
8,119,845.05 : 11,203,961.99 = 4,633,592.09 : x - Step 2: Convert to fraction form
8,119,845.05/11,203,961.99 = 4,633,592.09/x - Step 3: Cross multiply
8,119,845.05x = 11,203,961.99 × 4,633,592.09 - Step 4: Simplify right side
8,119,845.05x = 51,914,589,574,336.88 - Step 5: Solve for x
x = 51,914,589,574,336.88/8,119,845.05 - Step 6: Final answer
x = 6,393,544.37
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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.