Finding the Fourth Proportional to 12,082,832.88, 18,124,846.74 and 3,448,205.99
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Solution
The fourth proportional to 12,082,832.88, 18,124,846.74 and 3,448,205.99 is: 5,172,479.49
Step by Step Solution
- Step 1: Write the proportion equation
12,082,832.88 : 18,124,846.74 = 3,448,205.99 : x - Step 2: Convert to fraction form
12,082,832.88/18,124,846.74 = 3,448,205.99/x - Step 3: Cross multiply
12,082,832.88x = 18,124,846.74 × 3,448,205.99 - Step 4: Simplify right side
12,082,832.88x = 62,498,205,175,996.16 - Step 5: Solve for x
x = 62,498,205,175,996.16/12,082,832.88 - Step 6: Final answer
x = 5,172,479.49
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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.