Finding the Fourth Proportional to 27,933,954.99, 38,527,019.47 and 18,147,552.36
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Solution
The fourth proportional to 27,933,954.99, 38,527,019.47 and 18,147,552.36 is: 25,029,434.72
Step by Step Solution
- Step 1: Write the proportion equation
27,933,954.99 : 38,527,019.47 = 18,147,552.36 : x - Step 2: Convert to fraction form
27,933,954.99/38,527,019.47 = 18,147,552.36/x - Step 3: Cross multiply
27,933,954.99x = 38,527,019.47 × 18,147,552.36 - Step 4: Simplify right side
27,933,954.99x = 699,171,102,882,692.62 - Step 5: Solve for x
x = 699,171,102,882,692.62/27,933,954.99 - Step 6: Final answer
x = 25,029,434.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.