Finding the Fourth Proportional to 44,287,811.70, 66,431,717.55 and 12,375,107.70
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Solution
The fourth proportional to 44,287,811.70, 66,431,717.55 and 12,375,107.70 is: 18,562,661.55
Step by Step Solution
- Step 1: Write the proportion equation
44,287,811.70 : 66,431,717.55 = 12,375,107.70 : x - Step 2: Convert to fraction form
44,287,811.70/66,431,717.55 = 12,375,107.70/x - Step 3: Cross multiply
44,287,811.70x = 66,431,717.55 × 12,375,107.70 - Step 4: Simplify right side
44,287,811.70x = 822,099,659,377,230 - Step 5: Solve for x
x = 822,099,659,377,230/44,287,811.70 - Step 6: Final answer
x = 18,562,661.55
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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.