Finding the Fourth Proportional to 12,820,517.36, 19,231,771.92 and 3,722,765.12
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Solution
The fourth proportional to 12,820,517.36, 19,231,771.92 and 3,722,765.12 is: 5,584,436.86
Step by Step Solution
- Step 1: Write the proportion equation
12,820,517.36 : 19,231,771.92 = 3,722,765.12 : x - Step 2: Convert to fraction form
12,820,517.36/19,231,771.92 = 3,722,765.12/x - Step 3: Cross multiply
12,820,517.36x = 19,231,771.92 × 3,722,765.12 - Step 4: Simplify right side
12,820,517.36x = 71,595,369,699,571.44 - Step 5: Solve for x
x = 71,595,369,699,571.44/12,820,517.36 - Step 6: Final answer
x = 5,584,436.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.