Finding the Fourth Proportional to 18,357,340.38, 27,531,432.23 and 5,400,912.68
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Solution
The fourth proportional to 18,357,340.38, 27,531,432.23 and 5,400,912.68 is: 8,100,022.03
Step by Step Solution
- Step 1: Write the proportion equation
18,357,340.38 : 27,531,432.23 = 5,400,912.68 : x - Step 2: Convert to fraction form
18,357,340.38/27,531,432.23 = 5,400,912.68/x - Step 3: Cross multiply
18,357,340.38x = 27,531,432.23 × 5,400,912.68 - Step 4: Simplify right side
18,357,340.38x = 148,694,861,523,013.16 - Step 5: Solve for x
x = 148,694,861,523,013.16/18,357,340.38 - Step 6: Final answer
x = 8,100,022.03
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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.