Finding the Fourth Proportional to 11,864,515.12, 16,372,883.43 and 6,970,183.37
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Solution
The fourth proportional to 11,864,515.12, 16,372,883.43 and 6,970,183.37 is: 9,618,766.43
Step by Step Solution
- Step 1: Write the proportion equation
11,864,515.12 : 16,372,883.43 = 6,970,183.37 : x - Step 2: Convert to fraction form
11,864,515.12/16,372,883.43 = 6,970,183.37/x - Step 3: Cross multiply
11,864,515.12x = 16,372,883.43 × 6,970,183.37 - Step 4: Simplify right side
11,864,515.12x = 114,121,999,802,734.56 - Step 5: Solve for x
x = 114,121,999,802,734.56/11,864,515.12 - Step 6: Final answer
x = 9,618,766.43
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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.