Finding the Fourth Proportional to 11,364,211.09, 15,682,610.74 and 6,137,218.79
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Solution
The fourth proportional to 11,364,211.09, 15,682,610.74 and 6,137,218.79 is: 8,469,361.63
Step by Step Solution
- Step 1: Write the proportion equation
11,364,211.09 : 15,682,610.74 = 6,137,218.79 : x - Step 2: Convert to fraction form
11,364,211.09/15,682,610.74 = 6,137,218.79/x - Step 3: Cross multiply
11,364,211.09x = 15,682,610.74 × 6,137,218.79 - Step 4: Simplify right side
11,364,211.09x = 96,247,613,309,783.81 - Step 5: Solve for x
x = 96,247,613,309,783.81/11,364,211.09 - Step 6: Final answer
x = 8,469,361.63
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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.