Finding the Fourth Proportional to 20,202,107.13, 27,870,654.56 and 14,916,469.55
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Solution
The fourth proportional to 20,202,107.13, 27,870,654.56 and 14,916,469.55 is: 20,578,634.06
Step by Step Solution
- Step 1: Write the proportion equation
20,202,107.13 : 27,870,654.56 = 14,916,469.55 : x - Step 2: Convert to fraction form
20,202,107.13/27,870,654.56 = 14,916,469.55/x - Step 3: Cross multiply
20,202,107.13x = 27,870,654.56 × 14,916,469.55 - Step 4: Simplify right side
20,202,107.13x = 415,731,769,868,873 - Step 5: Solve for x
x = 415,731,769,868,873/20,202,107.13 - Step 6: Final answer
x = 20,578,634.06
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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.