Finding the Fourth Proportional to 18,846,674.21, 28,274,439.99 and 6,066,699.14
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Solution
The fourth proportional to 18,846,674.21, 28,274,439.99 and 6,066,699.14 is: 9,101,474.28
Step by Step Solution
- Step 1: Write the proportion equation
18,846,674.21 : 28,274,439.99 = 6,066,699.14 : x - Step 2: Convert to fraction form
18,846,674.21/28,274,439.99 = 6,066,699.14/x - Step 3: Cross multiply
18,846,674.21x = 28,274,439.99 × 6,066,699.14 - Step 4: Simplify right side
18,846,674.21x = 171,532,520,629,942.41 - Step 5: Solve for x
x = 171,532,520,629,942.41/18,846,674.21 - Step 6: Final answer
x = 9,101,474.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.