Finding the Fourth Proportional to 18,362,405.40, 27,512,115.30 and 8,757,101.40
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Solution
The fourth proportional to 18,362,405.40, 27,512,115.30 and 8,757,101.40 is: 13,120,633.06
Step by Step Solution
- Step 1: Write the proportion equation
18,362,405.40 : 27,512,115.30 = 8,757,101.40 : x - Step 2: Convert to fraction form
18,362,405.40/27,512,115.30 = 8,757,101.40/x - Step 3: Cross multiply
18,362,405.40x = 27,512,115.30 × 8,757,101.40 - Step 4: Simplify right side
18,362,405.40x = 240,926,383,410,591.44 - Step 5: Solve for x
x = 240,926,383,410,591.44/18,362,405.40 - Step 6: Final answer
x = 13,120,633.06
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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.