Finding the Fourth Proportional to 8,354,591.21, 12,529,455.65 and 3,235,879.44
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Solution
The fourth proportional to 8,354,591.21, 12,529,455.65 and 3,235,879.44 is: 4,852,877.53
Step by Step Solution
- Step 1: Write the proportion equation
8,354,591.21 : 12,529,455.65 = 3,235,879.44 : x - Step 2: Convert to fraction form
8,354,591.21/12,529,455.65 = 3,235,879.44/x - Step 3: Cross multiply
8,354,591.21x = 12,529,455.65 × 3,235,879.44 - Step 4: Simplify right side
8,354,591.21x = 40,543,807,932,226.84 - Step 5: Solve for x
x = 40,543,807,932,226.84/8,354,591.21 - Step 6: Final answer
x = 4,852,877.53
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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.