Finding the Fourth Proportional to 12,232,414.60, 18,348,621.90 and 5,040,246.40
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Solution
The fourth proportional to 12,232,414.60, 18,348,621.90 and 5,040,246.40 is: 7,560,369.60
Step by Step Solution
- Step 1: Write the proportion equation
12,232,414.60 : 18,348,621.90 = 5,040,246.40 : x - Step 2: Convert to fraction form
12,232,414.60/18,348,621.90 = 5,040,246.40/x - Step 3: Cross multiply
12,232,414.60x = 18,348,621.90 × 5,040,246.40 - Step 4: Simplify right side
12,232,414.60x = 92,481,575,476,436.16 - Step 5: Solve for x
x = 92,481,575,476,436.16/12,232,414.60 - Step 6: Final answer
x = 7,560,369.60
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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.