Finding the Fourth Proportional to 7,107,838.38, 9,808,818.08 and 3,844,651.68
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Solution
The fourth proportional to 7,107,838.38, 9,808,818.08 and 3,844,651.68 is: 5,305,619.92
Step by Step Solution
- Step 1: Write the proportion equation
7,107,838.38 : 9,808,818.08 = 3,844,651.68 : x - Step 2: Convert to fraction form
7,107,838.38/9,808,818.08 = 3,844,651.68/x - Step 3: Cross multiply
7,107,838.38x = 9,808,818.08 × 3,844,651.68 - Step 4: Simplify right side
7,107,838.38x = 37,711,488,910,086.38 - Step 5: Solve for x
x = 37,711,488,910,086.38/7,107,838.38 - Step 6: Final answer
x = 5,305,619.92
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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.