Finding the Fourth Proportional to 11,392,571.44, 15,721,767.65 and 6,165,584.26
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Solution
The fourth proportional to 11,392,571.44, 15,721,767.65 and 6,165,584.26 is: 8,508,516.60
Step by Step Solution
- Step 1: Write the proportion equation
11,392,571.44 : 15,721,767.65 = 6,165,584.26 : x - Step 2: Convert to fraction form
11,392,571.44/15,721,767.65 = 6,165,584.26/x - Step 3: Cross multiply
11,392,571.44x = 15,721,767.65 × 6,165,584.26 - Step 4: Simplify right side
11,392,571.44x = 96,933,883,162,217.19 - Step 5: Solve for x
x = 96,933,883,162,217.19/11,392,571.44 - Step 6: Final answer
x = 8,508,516.60
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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.