Finding the Fourth Proportional to 20,107,599.14, 27,747,657.87 and 10,940,278.34
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Solution
The fourth proportional to 20,107,599.14, 27,747,657.87 and 10,940,278.34 is: 15,097,133.09
Step by Step Solution
- Step 1: Write the proportion equation
20,107,599.14 : 27,747,657.87 = 10,940,278.34 : x - Step 2: Convert to fraction form
20,107,599.14/27,747,657.87 = 10,940,278.34/x - Step 3: Cross multiply
20,107,599.14x = 27,747,657.87 × 10,940,278.34 - Step 4: Simplify right side
20,107,599.14x = 303,567,100,380,891.56 - Step 5: Solve for x
x = 303,567,100,380,891.56/20,107,599.14 - Step 6: Final answer
x = 15,097,133.09
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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.