Finding the Fourth Proportional to 38,062,740.97, 52,526,450.09 and 20,659,086.14
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Solution
The fourth proportional to 38,062,740.97, 52,526,450.09 and 20,659,086.14 is: 28,509,466.99
Step by Step Solution
- Step 1: Write the proportion equation
38,062,740.97 : 52,526,450.09 = 20,659,086.14 : x - Step 2: Convert to fraction form
38,062,740.97/52,526,450.09 = 20,659,086.14/x - Step 3: Cross multiply
38,062,740.97x = 52,526,450.09 × 20,659,086.14 - Step 4: Simplify right side
38,062,740.97x = 1,085,148,456,934,425.38 - Step 5: Solve for x
x = 1,085,148,456,934,425.38/38,062,740.97 - Step 6: Final answer
x = 28,509,466.99
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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.