Finding the Fourth Proportional to 12,651,161.72, 18,976,745.07 and 4,564,134.68
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Solution
The fourth proportional to 12,651,161.72, 18,976,745.07 and 4,564,134.68 is: 6,846,202.91
Step by Step Solution
- Step 1: Write the proportion equation
12,651,161.72 : 18,976,745.07 = 4,564,134.68 : x - Step 2: Convert to fraction form
12,651,161.72/18,976,745.07 = 4,564,134.68/x - Step 3: Cross multiply
12,651,161.72x = 18,976,745.07 × 4,564,134.68 - Step 4: Simplify right side
12,651,161.72x = 86,612,420,192,622.30 - Step 5: Solve for x
x = 86,612,420,192,622.30/12,651,161.72 - Step 6: Final answer
x = 6,846,202.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.