Finding the Fourth Proportional to 8,245,212.12, 12,367,883.94 and 3,386,266.80
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Solution
The fourth proportional to 8,245,212.12, 12,367,883.94 and 3,386,266.80 is: 5,079,427.21
Step by Step Solution
- Step 1: Write the proportion equation
8,245,212.12 : 12,367,883.94 = 3,386,266.80 : x - Step 2: Convert to fraction form
8,245,212.12/12,367,883.94 = 3,386,266.80/x - Step 3: Cross multiply
8,245,212.12x = 12,367,883.94 × 3,386,266.80 - Step 4: Simplify right side
8,245,212.12x = 41,880,954,772,275.19 - Step 5: Solve for x
x = 41,880,954,772,275.19/8,245,212.12 - Step 6: Final answer
x = 5,079,427.21
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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.