Finding the Fourth Proportional to 8,146,393.13, 12,221,163.25 and 3,097,311.05
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Solution
The fourth proportional to 8,146,393.13, 12,221,163.25 and 3,097,311.05 is: 4,646,564.85
Step by Step Solution
- Step 1: Write the proportion equation
8,146,393.13 : 12,221,163.25 = 3,097,311.05 : x - Step 2: Convert to fraction form
8,146,393.13/12,221,163.25 = 3,097,311.05/x - Step 3: Cross multiply
8,146,393.13x = 12,221,163.25 × 3,097,311.05 - Step 4: Simplify right side
8,146,393.13x = 37,852,743,978,078.91 - Step 5: Solve for x
x = 37,852,743,978,078.91/8,146,393.13 - Step 6: Final answer
x = 4,646,564.85
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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.