Finding the Fourth Proportional to 6,770,198.13, 9,342,873.43 and 3,869,651.28
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Solution
The fourth proportional to 6,770,198.13, 9,342,873.43 and 3,869,651.28 is: 5,340,118.77
Step by Step Solution
- Step 1: Write the proportion equation
6,770,198.13 : 9,342,873.43 = 3,869,651.28 : x - Step 2: Convert to fraction form
6,770,198.13/9,342,873.43 = 3,869,651.28/x - Step 3: Cross multiply
6,770,198.13x = 9,342,873.43 × 3,869,651.28 - Step 4: Simplify right side
6,770,198.13x = 36,153,662,107,929.23 - Step 5: Solve for x
x = 36,153,662,107,929.23/6,770,198.13 - Step 6: Final answer
x = 5,340,118.77
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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.