Finding the Fourth Proportional to 18,019,190.08, 27,030,884.82 and 5,889,563.20
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Solution
The fourth proportional to 18,019,190.08, 27,030,884.82 and 5,889,563.20 is: 8,835,031.09
Step by Step Solution
- Step 1: Write the proportion equation
18,019,190.08 : 27,030,884.82 = 5,889,563.20 : x - Step 2: Convert to fraction form
18,019,190.08/27,030,884.82 = 5,889,563.20/x - Step 3: Cross multiply
18,019,190.08x = 27,030,884.82 × 5,889,563.20 - Step 4: Simplify right side
18,019,190.08x = 159,200,104,499,310.62 - Step 5: Solve for x
x = 159,200,104,499,310.62/18,019,190.08 - Step 6: Final answer
x = 8,835,031.09
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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.