Finding the Fourth Proportional to 8,165,822.49, 12,250,505.21 and 2,485,899.18
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Solution
The fourth proportional to 8,165,822.49, 12,250,505.21 and 2,485,899.18 is: 3,729,388.05
Step by Step Solution
- Step 1: Write the proportion equation
8,165,822.49 : 12,250,505.21 = 2,485,899.18 : x - Step 2: Convert to fraction form
8,165,822.49/12,250,505.21 = 2,485,899.18/x - Step 3: Cross multiply
8,165,822.49x = 12,250,505.21 × 2,485,899.18 - Step 4: Simplify right side
8,165,822.49x = 30,453,520,843,695.23 - Step 5: Solve for x
x = 30,453,520,843,695.23/8,165,822.49 - Step 6: Final answer
x = 3,729,388.05
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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.