Finding the Fourth Proportional to 7,080,824.97, 9,771,523.94 and 3,983,350.46
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Solution
The fourth proportional to 7,080,824.97, 9,771,523.94 and 3,983,350.46 is: 5,497,015.46
Step by Step Solution
- Step 1: Write the proportion equation
7,080,824.97 : 9,771,523.94 = 3,983,350.46 : x - Step 2: Convert to fraction form
7,080,824.97/9,771,523.94 = 3,983,350.46/x - Step 3: Cross multiply
7,080,824.97x = 9,771,523.94 × 3,983,350.46 - Step 4: Simplify right side
7,080,824.97x = 38,923,404,312,525.64 - Step 5: Solve for x
x = 38,923,404,312,525.64/7,080,824.97 - Step 6: Final answer
x = 5,497,015.46
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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.