Finding the Fourth Proportional to 12,236,464.76, 18,338,162.90 and 4,659,297.08
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Solution
The fourth proportional to 12,236,464.76, 18,338,162.90 and 4,659,297.08 is: 6,982,649.85
Step by Step Solution
- Step 1: Write the proportion equation
12,236,464.76 : 18,338,162.90 = 4,659,297.08 : x - Step 2: Convert to fraction form
12,236,464.76/18,338,162.90 = 4,659,297.08/x - Step 3: Cross multiply
12,236,464.76x = 18,338,162.90 × 4,659,297.08 - Step 4: Simplify right side
12,236,464.76x = 85,442,948,737,547.03 - Step 5: Solve for x
x = 85,442,948,737,547.03/12,236,464.76 - Step 6: Final answer
x = 6,982,649.85
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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.