Finding the Fourth Proportional to 12,422,156.97, 18,633,482.91 and 3,324,239.40
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Solution
The fourth proportional to 12,422,156.97, 18,633,482.91 and 3,324,239.40 is: 4,986,425.32
Step by Step Solution
- Step 1: Write the proportion equation
12,422,156.97 : 18,633,482.91 = 3,324,239.40 : x - Step 2: Convert to fraction form
12,422,156.97/18,633,482.91 = 3,324,239.40/x - Step 3: Cross multiply
12,422,156.97x = 18,633,482.91 × 3,324,239.40 - Step 4: Simplify right side
12,422,156.97x = 61,942,158,048,648.66 - Step 5: Solve for x
x = 61,942,158,048,648.66/12,422,156.97 - Step 6: Final answer
x = 4,986,425.32
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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.