Finding the Fourth Proportional to 12,236,121.97, 18,354,150.14 and 4,559,592.04
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Solution
The fourth proportional to 12,236,121.97, 18,354,150.14 and 4,559,592.04 is: 6,839,375.83
Step by Step Solution
- Step 1: Write the proportion equation
12,236,121.97 : 18,354,150.14 = 4,559,592.04 : x - Step 2: Convert to fraction form
12,236,121.97/18,354,150.14 = 4,559,592.04/x - Step 3: Cross multiply
12,236,121.97x = 18,354,150.14 × 4,559,592.04 - Step 4: Simplify right side
12,236,121.97x = 83,687,436,810,625.55 - Step 5: Solve for x
x = 83,687,436,810,625.55/12,236,121.97 - Step 6: Final answer
x = 6,839,375.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.