Finding the Fourth Proportional to 8,106,147.97, 11,186,471.09 and 4,435,079.34
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Solution
The fourth proportional to 8,106,147.97, 11,186,471.09 and 4,435,079.34 is: 6,120,402.33
Step by Step Solution
- Step 1: Write the proportion equation
8,106,147.97 : 11,186,471.09 = 4,435,079.34 : x - Step 2: Convert to fraction form
8,106,147.97/11,186,471.09 = 4,435,079.34/x - Step 3: Cross multiply
8,106,147.97x = 11,186,471.09 × 4,435,079.34 - Step 4: Simplify right side
8,106,147.97x = 49,612,886,871,803.24 - Step 5: Solve for x
x = 49,612,886,871,803.24/8,106,147.97 - Step 6: Final answer
x = 6,120,402.33
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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.