Finding the Fourth Proportional to 33,198,529.41, 45,798,334.58 and 21,591,857.97
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Solution
The fourth proportional to 33,198,529.41, 45,798,334.58 and 21,591,857.97 is: 29,786,594.56
Step by Step Solution
- Step 1: Write the proportion equation
33,198,529.41 : 45,798,334.58 = 21,591,857.97 : x - Step 2: Convert to fraction form
33,198,529.41/45,798,334.58 = 21,591,857.97/x - Step 3: Cross multiply
33,198,529.41x = 45,798,334.58 × 21,591,857.97 - Step 4: Simplify right side
33,198,529.41x = 988,871,135,405,940.38 - Step 5: Solve for x
x = 988,871,135,405,940.38/33,198,529.41 - Step 6: Final answer
x = 29,786,594.56
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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.