Finding the Fourth Proportional to 8,119,846.22, 11,203,963.61 and 4,633,593.26
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Solution
The fourth proportional to 8,119,846.22, 11,203,963.61 and 4,633,593.26 is: 6,393,545.99
Step by Step Solution
- Step 1: Write the proportion equation
8,119,846.22 : 11,203,963.61 = 4,633,593.26 : x - Step 2: Convert to fraction form
8,119,846.22/11,203,963.61 = 4,633,593.26/x - Step 3: Cross multiply
8,119,846.22x = 11,203,963.61 × 4,633,593.26 - Step 4: Simplify right side
8,119,846.22x = 51,914,610,189,393.48 - Step 5: Solve for x
x = 51,914,610,189,393.48/8,119,846.22 - Step 6: Final answer
x = 6,393,545.99
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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.