Finding the Fourth Proportional to 12,296,517.80, 18,437,864.70 and 4,723,730.60
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Solution
The fourth proportional to 12,296,517.80, 18,437,864.70 and 4,723,730.60 is: 7,082,940.64
Step by Step Solution
- Step 1: Write the proportion equation
12,296,517.80 : 18,437,864.70 = 4,723,730.60 : x - Step 2: Convert to fraction form
12,296,517.80/18,437,864.70 = 4,723,730.60/x - Step 3: Cross multiply
12,296,517.80x = 18,437,864.70 × 4,723,730.60 - Step 4: Simplify right side
12,296,517.80x = 87,095,505,682,049.81 - Step 5: Solve for x
x = 87,095,505,682,049.81/12,296,517.80 - Step 6: Final answer
x = 7,082,940.64
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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.