Finding the Fourth Proportional to 11,635,708.32, 16,057,751.04 and 6,478,742.88
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Solution
The fourth proportional to 11,635,708.32, 16,057,751.04 and 6,478,742.88 is: 8,940,928.85
Step by Step Solution
- Step 1: Write the proportion equation
11,635,708.32 : 16,057,751.04 = 6,478,742.88 : x - Step 2: Convert to fraction form
11,635,708.32/16,057,751.04 = 6,478,742.88/x - Step 3: Cross multiply
11,635,708.32x = 16,057,751.04 × 6,478,742.88 - Step 4: Simplify right side
11,635,708.32x = 104,034,040,219,212.59 - Step 5: Solve for x
x = 104,034,040,219,212.59/11,635,708.32 - Step 6: Final answer
x = 8,940,928.85
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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.