Finding the Fourth Proportional to 11,940,924.38, 16,477,336.94 and 6,980,525.46
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Solution
The fourth proportional to 11,940,924.38, 16,477,336.94 and 6,980,525.46 is: 9,632,459.46
Step by Step Solution
- Step 1: Write the proportion equation
11,940,924.38 : 16,477,336.94 = 6,980,525.46 : x - Step 2: Convert to fraction form
11,940,924.38/16,477,336.94 = 6,980,525.46/x - Step 3: Cross multiply
11,940,924.38x = 16,477,336.94 × 6,980,525.46 - Step 4: Simplify right side
11,940,924.38x = 115,020,469,987,765.88 - Step 5: Solve for x
x = 115,020,469,987,765.88/11,940,924.38 - Step 6: Final answer
x = 9,632,459.46
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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.