Finding the Fourth Proportional to 18,121,768.24, 27,185,205.88 and 5,821,607.16
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Solution
The fourth proportional to 18,121,768.24, 27,185,205.88 and 5,821,607.16 is: 8,733,231.06
Step by Step Solution
- Step 1: Write the proportion equation
18,121,768.24 : 27,185,205.88 = 5,821,607.16 : x - Step 2: Convert to fraction form
18,121,768.24/27,185,205.88 = 5,821,607.16/x - Step 3: Cross multiply
18,121,768.24x = 27,185,205.88 × 5,821,607.16 - Step 4: Simplify right side
18,121,768.24x = 158,261,589,197,082.09 - Step 5: Solve for x
x = 158,261,589,197,082.09/18,121,768.24 - Step 6: Final answer
x = 8,733,231.06
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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.