Finding the Fourth Proportional to 8,106,608.05, 11,187,036.15 and 4,484,961.97
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Solution
The fourth proportional to 8,106,608.05, 11,187,036.15 and 4,484,961.97 is: 6,189,201.62
Step by Step Solution
- Step 1: Write the proportion equation
8,106,608.05 : 11,187,036.15 = 4,484,961.97 : x - Step 2: Convert to fraction form
8,106,608.05/11,187,036.15 = 4,484,961.97/x - Step 3: Cross multiply
8,106,608.05x = 11,187,036.15 × 4,484,961.97 - Step 4: Simplify right side
8,106,608.05x = 50,173,431,689,765.21 - Step 5: Solve for x
x = 50,173,431,689,765.21/8,106,608.05 - Step 6: Final answer
x = 6,189,201.62
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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.