Finding the Fourth Proportional to 41,469,906.84, 62,121,584.64 and 20,657,660.28
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Solution
The fourth proportional to 41,469,906.84, 62,121,584.64 and 20,657,660.28 is: 30,945,007.82
Step by Step Solution
- Step 1: Write the proportion equation
41,469,906.84 : 62,121,584.64 = 20,657,660.28 : x - Step 2: Convert to fraction form
41,469,906.84/62,121,584.64 = 20,657,660.28/x - Step 3: Cross multiply
41,469,906.84x = 62,121,584.64 × 20,657,660.28 - Step 4: Simplify right side
41,469,906.84x = 1,283,286,591,548,386.25 - Step 5: Solve for x
x = 1,283,286,591,548,386.25/41,469,906.84 - Step 6: Final answer
x = 30,945,007.82
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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.