Finding the Fourth Proportional to 8,879,025.20, 13,318,537.80 and 3,199,434.80
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Solution
The fourth proportional to 8,879,025.20, 13,318,537.80 and 3,199,434.80 is: 4,799,152.20
Step by Step Solution
- Step 1: Write the proportion equation
8,879,025.20 : 13,318,537.80 = 3,199,434.80 : x - Step 2: Convert to fraction form
8,879,025.20/13,318,537.80 = 3,199,434.80/x - Step 3: Cross multiply
8,879,025.20x = 13,318,537.80 × 3,199,434.80 - Step 4: Simplify right side
8,879,025.20x = 42,611,793,322,435.44 - Step 5: Solve for x
x = 42,611,793,322,435.44/8,879,025.20 - Step 6: Final answer
x = 4,799,152.20
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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.