Finding the Fourth Proportional to 18,203,694.88, 25,120,619.28 and 10,054,757.92
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Solution
The fourth proportional to 18,203,694.88, 25,120,619.28 and 10,054,757.92 is: 13,875,300.99
Step by Step Solution
- Step 1: Write the proportion equation
18,203,694.88 : 25,120,619.28 = 10,054,757.92 : x - Step 2: Convert to fraction form
18,203,694.88/25,120,619.28 = 10,054,757.92/x - Step 3: Cross multiply
18,203,694.88x = 25,120,619.28 × 10,054,757.92 - Step 4: Simplify right side
18,203,694.88x = 252,581,745,660,884.72 - Step 5: Solve for x
x = 252,581,745,660,884.72/18,203,694.88 - Step 6: Final answer
x = 13,875,300.99
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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.