Finding the Fourth Proportional to 36,541,021.39, 50,422,541.11 and 20,239,414.99
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Solution
The fourth proportional to 36,541,021.39, 50,422,541.11 and 20,239,414.99 is: 27,928,139.27
Step by Step Solution
- Step 1: Write the proportion equation
36,541,021.39 : 50,422,541.11 = 20,239,414.99 : x - Step 2: Convert to fraction form
36,541,021.39/50,422,541.11 = 20,239,414.99/x - Step 3: Cross multiply
36,541,021.39x = 50,422,541.11 × 20,239,414.99 - Step 4: Simplify right side
36,541,021.39x = 1,020,522,734,375,625.12 - Step 5: Solve for x
x = 1,020,522,734,375,625.12/36,541,021.39 - Step 6: Final answer
x = 27,928,139.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.