Finding the Fourth Proportional to 18,444,674.70, 27,667,012.05 and 18,192,732.30
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Solution
The fourth proportional to 18,444,674.70, 27,667,012.05 and 18,192,732.30 is: 27,289,098.45
Step by Step Solution
- Step 1: Write the proportion equation
18,444,674.70 : 27,667,012.05 = 18,192,732.30 : x - Step 2: Convert to fraction form
18,444,674.70/27,667,012.05 = 18,192,732.30/x - Step 3: Cross multiply
18,444,674.70x = 27,667,012.05 × 18,192,732.30 - Step 4: Simplify right side
18,444,674.70x = 503,338,543,766,524.25 - Step 5: Solve for x
x = 503,338,543,766,524.25/18,444,674.70 - Step 6: Final answer
x = 27,289,098.45
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1.5x scale
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.