Finding the Fourth Proportional to 18,883,150.20, 28,324,725.30 and 6,112,819.80
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Solution
The fourth proportional to 18,883,150.20, 28,324,725.30 and 6,112,819.80 is: 9,169,229.70
Step by Step Solution
- Step 1: Write the proportion equation
18,883,150.20 : 28,324,725.30 = 6,112,819.80 : x - Step 2: Convert to fraction form
18,883,150.20/28,324,725.30 = 6,112,819.80/x - Step 3: Cross multiply
18,883,150.20x = 28,324,725.30 × 6,112,819.80 - Step 4: Simplify right side
18,883,150.20x = 173,143,941,643,400.94 - Step 5: Solve for x
x = 173,143,941,643,400.94/18,883,150.20 - Step 6: Final answer
x = 9,169,229.70
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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.