Finding the Fourth Proportional to 12,295,143.20, 18,454,524.60 and 6,236,715.80
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Solution
The fourth proportional to 12,295,143.20, 18,454,524.60 and 6,236,715.80 is: 9,361,064.23
Step by Step Solution
- Step 1: Write the proportion equation
12,295,143.20 : 18,454,524.60 = 6,236,715.80 : x - Step 2: Convert to fraction form
12,295,143.20/18,454,524.60 = 6,236,715.80/x - Step 3: Cross multiply
12,295,143.20x = 18,454,524.60 × 6,236,715.80 - Step 4: Simplify right side
12,295,143.20x = 115,095,625,154,308.69 - Step 5: Solve for x
x = 115,095,625,154,308.69/12,295,143.20 - Step 6: Final answer
x = 9,361,064.23
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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.