Finding the Fourth Proportional to 36,936,104.49, 50,972,029.92 and 20,190,871.97
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Solution
The fourth proportional to 36,936,104.49, 50,972,029.92 and 20,190,871.97 is: 27,863,515.78
Step by Step Solution
- Step 1: Write the proportion equation
36,936,104.49 : 50,972,029.92 = 20,190,871.97 : x - Step 2: Convert to fraction form
36,936,104.49/50,972,029.92 = 20,190,871.97/x - Step 3: Cross multiply
36,936,104.49x = 50,972,029.92 × 20,190,871.97 - Step 4: Simplify right side
36,936,104.49x = 1,029,169,730,388,731.88 - Step 5: Solve for x
x = 1,029,169,730,388,731.88/36,936,104.49 - Step 6: Final answer
x = 27,863,515.78
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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.