Finding the Fourth Proportional to 18,027,617.06, 27,022,529.90 and 6,660,815.78
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Solution
The fourth proportional to 18,027,617.06, 27,022,529.90 and 6,660,815.78 is: 9,984,242.11
Step by Step Solution
- Step 1: Write the proportion equation
18,027,617.06 : 27,022,529.90 = 6,660,815.78 : x - Step 2: Convert to fraction form
18,027,617.06/27,022,529.90 = 6,660,815.78/x - Step 3: Cross multiply
18,027,617.06x = 27,022,529.90 × 6,660,815.78 - Step 4: Simplify right side
18,027,617.06x = 179,992,093,405,025.09 - Step 5: Solve for x
x = 179,992,093,405,025.09/18,027,617.06 - Step 6: Final answer
x = 9,984,242.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.