Finding the Fourth Proportional to 8,474,579.96, 12,717,468.68 and 3,987,205.88
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Solution
The fourth proportional to 8,474,579.96, 12,717,468.68 and 3,987,205.88 is: 5,983,442.97
Step by Step Solution
- Step 1: Write the proportion equation
8,474,579.96 : 12,717,468.68 = 3,987,205.88 : x - Step 2: Convert to fraction form
8,474,579.96/12,717,468.68 = 3,987,205.88/x - Step 3: Cross multiply
8,474,579.96x = 12,717,468.68 × 3,987,205.88 - Step 4: Simplify right side
8,474,579.96x = 50,707,165,899,611.84 - Step 5: Solve for x
x = 50,707,165,899,611.84/8,474,579.96 - Step 6: Final answer
x = 5,983,442.97
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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.