Finding the Fourth Proportional to 13,149,982.62, 19,726,826.76 and 4,052,815.92
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Solution
The fourth proportional to 13,149,982.62, 19,726,826.76 and 4,052,815.92 is: 6,079,794.92
Step by Step Solution
- Step 1: Write the proportion equation
13,149,982.62 : 19,726,826.76 = 4,052,815.92 : x - Step 2: Convert to fraction form
13,149,982.62/19,726,826.76 = 4,052,815.92/x - Step 3: Cross multiply
13,149,982.62x = 19,726,826.76 × 4,052,815.92 - Step 4: Simplify right side
13,149,982.62x = 79,949,197,544,010.03 - Step 5: Solve for x
x = 79,949,197,544,010.03/13,149,982.62 - Step 6: Final answer
x = 6,079,794.92
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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.