Finding the Fourth Proportional to 20,101,054.84, 27,744,383.08 and 11,404,318.12
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Solution
The fourth proportional to 20,101,054.84, 27,744,383.08 and 11,404,318.12 is: 15,740,754.56
Step by Step Solution
- Step 1: Write the proportion equation
20,101,054.84 : 27,744,383.08 = 11,404,318.12 : x - Step 2: Convert to fraction form
20,101,054.84/27,744,383.08 = 11,404,318.12/x - Step 3: Cross multiply
20,101,054.84x = 27,744,383.08 × 11,404,318.12 - Step 4: Simplify right side
20,101,054.84x = 316,405,770,687,465.38 - Step 5: Solve for x
x = 316,405,770,687,465.38/20,101,054.84 - Step 6: Final answer
x = 15,740,754.56
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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.