Finding the Fourth Proportional to 18,012,911.16, 27,021,027.69 and 5,882,438.18
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Solution
The fourth proportional to 18,012,911.16, 27,021,027.69 and 5,882,438.18 is: 8,824,199.68
Step by Step Solution
- Step 1: Write the proportion equation
18,012,911.16 : 27,021,027.69 = 5,882,438.18 : x - Step 2: Convert to fraction form
18,012,911.16/27,021,027.69 = 5,882,438.18/x - Step 3: Cross multiply
18,012,911.16x = 27,021,027.69 × 5,882,438.18 - Step 4: Simplify right side
18,012,911.16x = 158,949,524,811,388.06 - Step 5: Solve for x
x = 158,949,524,811,388.06/18,012,911.16 - Step 6: Final answer
x = 8,824,199.68
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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.