Finding the Fourth Proportional to 32,419,900.49, 44,752,772.97 and 21,980,215.49
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Solution
The fourth proportional to 32,419,900.49, 44,752,772.97 and 21,980,215.49 is: 30,341,721.56
Step by Step Solution
- Step 1: Write the proportion equation
32,419,900.49 : 44,752,772.97 = 21,980,215.49 : x - Step 2: Convert to fraction form
32,419,900.49/44,752,772.97 = 21,980,215.49/x - Step 3: Cross multiply
32,419,900.49x = 44,752,772.97 × 21,980,215.49 - Step 4: Simplify right side
32,419,900.49x = 983,675,593,431,883.38 - Step 5: Solve for x
x = 983,675,593,431,883.38/32,419,900.49 - Step 6: Final answer
x = 30,341,721.56
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1.5x scale
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.