Finding the Fourth Proportional to 8,489,349.80, 11,713,486.34 and 5,050,919.24
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Solution
The fourth proportional to 8,489,349.80, 11,713,486.34 and 5,050,919.24 is: 6,969,187.85
Step by Step Solution
- Step 1: Write the proportion equation
8,489,349.80 : 11,713,486.34 = 5,050,919.24 : x - Step 2: Convert to fraction form
8,489,349.80/11,713,486.34 = 5,050,919.24/x - Step 3: Cross multiply
8,489,349.80x = 11,713,486.34 × 5,050,919.24 - Step 4: Simplify right side
8,489,349.80x = 59,163,873,522,183.18 - Step 5: Solve for x
x = 59,163,873,522,183.18/8,489,349.80 - Step 6: Final answer
x = 6,969,187.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.