Finding the Fourth Proportional to 18,152,731.80, 27,229,097.70 and 8,586,793.80
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Solution
The fourth proportional to 18,152,731.80, 27,229,097.70 and 8,586,793.80 is: 12,880,190.70
Step by Step Solution
- Step 1: Write the proportion equation
18,152,731.80 : 27,229,097.70 = 8,586,793.80 : x - Step 2: Convert to fraction form
18,152,731.80/27,229,097.70 = 8,586,793.80/x - Step 3: Cross multiply
18,152,731.80x = 27,229,097.70 × 8,586,793.80 - Step 4: Simplify right side
18,152,731.80x = 233,810,647,309,954.28 - Step 5: Solve for x
x = 233,810,647,309,954.28/18,152,731.80 - Step 6: Final answer
x = 12,880,190.70
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1.5x scale
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.