Finding the Fourth Proportional to 18,444,682.70, 27,667,024.05 and 18,192,740.30
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Solution
The fourth proportional to 18,444,682.70, 27,667,024.05 and 18,192,740.30 is: 27,289,110.45
Step by Step Solution
- Step 1: Write the proportion equation
18,444,682.70 : 27,667,024.05 = 18,192,740.30 : x - Step 2: Convert to fraction form
18,444,682.70/27,667,024.05 = 18,192,740.30/x - Step 3: Cross multiply
18,444,682.70x = 27,667,024.05 × 18,192,740.30 - Step 4: Simplify right side
18,444,682.70x = 503,338,983,415,504.25 - Step 5: Solve for x
x = 503,338,983,415,504.25/18,444,682.70 - Step 6: Final answer
x = 27,289,110.45
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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.