Finding the Fourth Proportional to 18,419,462.84, 27,623,215.62 and 6,120,123.14
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Solution
The fourth proportional to 18,419,462.84, 27,623,215.62 and 6,120,123.14 is: 9,178,198.23
Step by Step Solution
- Step 1: Write the proportion equation
18,419,462.84 : 27,623,215.62 = 6,120,123.14 : x - Step 2: Convert to fraction form
18,419,462.84/27,623,215.62 = 6,120,123.14/x - Step 3: Cross multiply
18,419,462.84x = 27,623,215.62 × 6,120,123.14 - Step 4: Simplify right side
18,419,462.84x = 169,057,481,186,229.50 - Step 5: Solve for x
x = 169,057,481,186,229.50/18,419,462.84 - Step 6: Final answer
x = 9,178,198.23
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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.