Finding the Fourth Proportional to 12,498,392.22, 18,743,711.57 and 4,409,476.26
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Solution
The fourth proportional to 12,498,392.22, 18,743,711.57 and 4,409,476.26 is: 6,612,846.66
Step by Step Solution
- Step 1: Write the proportion equation
12,498,392.22 : 18,743,711.57 = 4,409,476.26 : x - Step 2: Convert to fraction form
12,498,392.22/18,743,711.57 = 4,409,476.26/x - Step 3: Cross multiply
12,498,392.22x = 18,743,711.57 × 4,409,476.26 - Step 4: Simplify right side
12,498,392.22x = 82,649,951,234,234.39 - Step 5: Solve for x
x = 82,649,951,234,234.39/12,498,392.22 - Step 6: Final answer
x = 6,612,846.66
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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.