Finding the Fourth Proportional to 8,176,363.20, 12,264,544.80 and 2,496,578.40
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Solution
The fourth proportional to 8,176,363.20, 12,264,544.80 and 2,496,578.40 is: 3,744,867.60
Step by Step Solution
- Step 1: Write the proportion equation
8,176,363.20 : 12,264,544.80 = 2,496,578.40 : x - Step 2: Convert to fraction form
8,176,363.20/12,264,544.80 = 2,496,578.40/x - Step 3: Cross multiply
8,176,363.20x = 12,264,544.80 × 2,496,578.40 - Step 4: Simplify right side
8,176,363.20x = 30,619,397,633,512.32 - Step 5: Solve for x
x = 30,619,397,633,512.32/8,176,363.20 - Step 6: Final answer
x = 3,744,867.60
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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.