Finding the Fourth Proportional to 32,336,398.38, 44,618,259.43 and 18,396,939.70
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Solution
The fourth proportional to 32,336,398.38, 44,618,259.43 and 18,396,939.70 is: 25,384,380.11
Step by Step Solution
- Step 1: Write the proportion equation
32,336,398.38 : 44,618,259.43 = 18,396,939.70 : x - Step 2: Convert to fraction form
32,336,398.38/44,618,259.43 = 18,396,939.70/x - Step 3: Cross multiply
32,336,398.38x = 44,618,259.43 × 18,396,939.70 - Step 4: Simplify right side
32,336,398.38x = 820,839,427,976,974.75 - Step 5: Solve for x
x = 820,839,427,976,974.75/32,336,398.38 - Step 6: Final answer
x = 25,384,380.11
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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.