Finding the Fourth Proportional to 8,481,514.05, 12,722,212.69 and 3,432,751.65
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Solution
The fourth proportional to 8,481,514.05, 12,722,212.69 and 3,432,751.65 is: 5,149,103.84
Step by Step Solution
- Step 1: Write the proportion equation
8,481,514.05 : 12,722,212.69 = 3,432,751.65 : x - Step 2: Convert to fraction form
8,481,514.05/12,722,212.69 = 3,432,751.65/x - Step 3: Cross multiply
8,481,514.05x = 12,722,212.69 × 3,432,751.65 - Step 4: Simplify right side
8,481,514.05x = 43,672,196,603,248.44 - Step 5: Solve for x
x = 43,672,196,603,248.44/8,481,514.05 - Step 6: Final answer
x = 5,149,103.84
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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.