Finding the Fourth Proportional to 18,419,474.12, 27,623,232.50 and 6,120,134.42
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Solution
The fourth proportional to 18,419,474.12, 27,623,232.50 and 6,120,134.42 is: 9,178,215.12
Step by Step Solution
- Step 1: Write the proportion equation
18,419,474.12 : 27,623,232.50 = 6,120,134.42 : x - Step 2: Convert to fraction form
18,419,474.12/27,623,232.50 = 6,120,134.42/x - Step 3: Cross multiply
18,419,474.12x = 27,623,232.50 × 6,120,134.42 - Step 4: Simplify right side
18,419,474.12x = 169,057,895,846,195.81 - Step 5: Solve for x
x = 169,057,895,846,195.81/18,419,474.12 - Step 6: Final answer
x = 9,178,215.12
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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.