Finding the Fourth Proportional to 8,143,944.40, 12,213,203.94 and 3,284,995.96
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Solution
The fourth proportional to 8,143,944.40, 12,213,203.94 and 3,284,995.96 is: 4,926,399.74
Step by Step Solution
- Step 1: Write the proportion equation
8,143,944.40 : 12,213,203.94 = 3,284,995.96 : x - Step 2: Convert to fraction form
8,143,944.40/12,213,203.94 = 3,284,995.96/x - Step 3: Cross multiply
8,143,944.40x = 12,213,203.94 × 3,284,995.96 - Step 4: Simplify right side
8,143,944.40x = 40,120,325,601,556.08 - Step 5: Solve for x
x = 40,120,325,601,556.08/8,143,944.40 - Step 6: Final answer
x = 4,926,399.74
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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.