Finding the Fourth Proportional to 33,903,836.64, 46,786,743.36 and 18,434,310.84
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Solution
The fourth proportional to 33,903,836.64, 46,786,743.36 and 18,434,310.84 is: 25,439,049.26
Step by Step Solution
- Step 1: Write the proportion equation
33,903,836.64 : 46,786,743.36 = 18,434,310.84 : x - Step 2: Convert to fraction form
33,903,836.64/46,786,743.36 = 18,434,310.84/x - Step 3: Cross multiply
33,903,836.64x = 46,786,743.36 × 18,434,310.84 - Step 4: Simplify right side
33,903,836.64x = 862,481,370,289,546 - Step 5: Solve for x
x = 862,481,370,289,546/33,903,836.64 - Step 6: Final answer
x = 25,439,049.26
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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.