Finding the Fourth Proportional to 18,121,767.24, 27,185,204.38 and 5,821,606.16
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Solution
The fourth proportional to 18,121,767.24, 27,185,204.38 and 5,821,606.16 is: 8,733,229.56
Step by Step Solution
- Step 1: Write the proportion equation
18,121,767.24 : 27,185,204.38 = 5,821,606.16 : x - Step 2: Convert to fraction form
18,121,767.24/27,185,204.38 = 5,821,606.16/x - Step 3: Cross multiply
18,121,767.24x = 27,185,204.38 × 5,821,606.16 - Step 4: Simplify right side
18,121,767.24x = 158,261,553,279,466.97 - Step 5: Solve for x
x = 158,261,553,279,466.97/18,121,767.24 - Step 6: Final answer
x = 8,733,229.56
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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.