Finding the Fourth Proportional to 8,160,720.14, 11,261,793.71 and 4,489,557.93
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Solution
The fourth proportional to 8,160,720.14, 11,261,793.71 and 4,489,557.93 is: 6,195,589.90
Step by Step Solution
- Step 1: Write the proportion equation
8,160,720.14 : 11,261,793.71 = 4,489,557.93 : x - Step 2: Convert to fraction form
8,160,720.14/11,261,793.71 = 4,489,557.93/x - Step 3: Cross multiply
8,160,720.14x = 11,261,793.71 × 4,489,557.93 - Step 4: Simplify right side
8,160,720.14x = 50,560,475,267,978.52 - Step 5: Solve for x
x = 50,560,475,267,978.52/8,160,720.14 - Step 6: Final answer
x = 6,195,589.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.