Finding the Fourth Proportional to 8,467,278.73, 12,681,708.70 and 5,393,286.20
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Solution
The fourth proportional to 8,467,278.73, 12,681,708.70 and 5,393,286.20 is: 8,077,693.76
Step by Step Solution
- Step 1: Write the proportion equation
8,467,278.73 : 12,681,708.70 = 5,393,286.20 : x - Step 2: Convert to fraction form
8,467,278.73/12,681,708.70 = 5,393,286.20/x - Step 3: Cross multiply
8,467,278.73x = 12,681,708.70 × 5,393,286.20 - Step 4: Simplify right side
8,467,278.73x = 68,396,084,497,163.52 - Step 5: Solve for x
x = 68,396,084,497,163.52/8,467,278.73 - Step 6: Final answer
x = 8,077,693.76
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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.