Finding the Fourth Proportional to 18,511,494.24, 27,785,152.80 and 8,933,615.04
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Solution
The fourth proportional to 18,511,494.24, 27,785,152.80 and 8,933,615.04 is: 13,409,066.59
Step by Step Solution
- Step 1: Write the proportion equation
18,511,494.24 : 27,785,152.80 = 8,933,615.04 : x - Step 2: Convert to fraction form
18,511,494.24/27,785,152.80 = 8,933,615.04/x - Step 3: Cross multiply
18,511,494.24x = 27,785,152.80 × 8,933,615.04 - Step 4: Simplify right side
18,511,494.24x = 248,221,858,942,778.09 - Step 5: Solve for x
x = 248,221,858,942,778.09/18,511,494.24 - Step 6: Final answer
x = 13,409,066.59
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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.