Finding the Fourth Proportional to 18,416,026.20, 27,616,438.38 and 6,286,467.66
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Solution
The fourth proportional to 18,416,026.20, 27,616,438.38 and 6,286,467.66 is: 9,427,106.85
Step by Step Solution
- Step 1: Write the proportion equation
18,416,026.20 : 27,616,438.38 = 6,286,467.66 : x - Step 2: Convert to fraction form
18,416,026.20/27,616,438.38 = 6,286,467.66/x - Step 3: Cross multiply
18,416,026.20x = 27,616,438.38 × 6,286,467.66 - Step 4: Simplify right side
18,416,026.20x = 173,609,846,760,252.78 - Step 5: Solve for x
x = 173,609,846,760,252.78/18,416,026.20 - Step 6: Final answer
x = 9,427,106.85
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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.