Finding the Fourth Proportional to 12,409,736.68, 18,614,610.42 and 3,890,737.36
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Solution
The fourth proportional to 12,409,736.68, 18,614,610.42 and 3,890,737.36 is: 5,836,107.73
Step by Step Solution
- Step 1: Write the proportion equation
12,409,736.68 : 18,614,610.42 = 3,890,737.36 : x - Step 2: Convert to fraction form
12,409,736.68/18,614,610.42 = 3,890,737.36/x - Step 3: Cross multiply
12,409,736.68x = 18,614,610.42 × 3,890,737.36 - Step 4: Simplify right side
12,409,736.68x = 72,424,560,202,939.30 - Step 5: Solve for x
x = 72,424,560,202,939.30/12,409,736.68 - Step 6: Final answer
x = 5,836,107.73
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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.