Finding the Fourth Proportional to 33,729,121.45, 46,546,338.59 and 18,259,206.09
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Solution
The fourth proportional to 33,729,121.45, 46,546,338.59 and 18,259,206.09 is: 25,197,786.14
Step by Step Solution
- Step 1: Write the proportion equation
33,729,121.45 : 46,546,338.59 = 18,259,206.09 : x - Step 2: Convert to fraction form
33,729,121.45/46,546,338.59 = 18,259,206.09/x - Step 3: Cross multiply
33,729,121.45x = 46,546,338.59 × 18,259,206.09 - Step 4: Simplify right side
33,729,121.45x = 849,899,188,958,434 - Step 5: Solve for x
x = 849,899,188,958,434/33,729,121.45 - Step 6: Final answer
x = 25,197,786.14
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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.