Finding the Fourth Proportional to 18,274,365.30, 27,392,163.68 and 8,550,785.96
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Solution
The fourth proportional to 18,274,365.30, 27,392,163.68 and 8,550,785.96 is: 12,817,108.82
Step by Step Solution
- Step 1: Write the proportion equation
18,274,365.30 : 27,392,163.68 = 8,550,785.96 : x - Step 2: Convert to fraction form
18,274,365.30/27,392,163.68 = 8,550,785.96/x - Step 3: Cross multiply
18,274,365.30x = 27,392,163.68 × 8,550,785.96 - Step 4: Simplify right side
18,274,365.30x = 234,224,528,608,965.97 - Step 5: Solve for x
x = 234,224,528,608,965.97/18,274,365.30 - Step 6: Final answer
x = 12,817,108.82
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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.