Finding the Fourth Proportional to 11,873,324.32, 16,385,193.36 and 6,716,576.80
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Solution
The fourth proportional to 11,873,324.32, 16,385,193.36 and 6,716,576.80 is: 9,268,879.26
Step by Step Solution
- Step 1: Write the proportion equation
11,873,324.32 : 16,385,193.36 = 6,716,576.80 : x - Step 2: Convert to fraction form
11,873,324.32/16,385,193.36 = 6,716,576.80/x - Step 3: Cross multiply
11,873,324.32x = 16,385,193.36 × 6,716,576.80 - Step 4: Simplify right side
11,873,324.32x = 110,052,409,585,290.05 - Step 5: Solve for x
x = 110,052,409,585,290.05/11,873,324.32 - Step 6: Final answer
x = 9,268,879.26
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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.