Finding the Fourth Proportional to 8,993,517.42, 13,490,451.09 and 3,310,816.62
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Solution
The fourth proportional to 8,993,517.42, 13,490,451.09 and 3,310,816.62 is: 4,966,289.34
Step by Step Solution
- Step 1: Write the proportion equation
8,993,517.42 : 13,490,451.09 = 3,310,816.62 : x - Step 2: Convert to fraction form
8,993,517.42/13,490,451.09 = 3,310,816.62/x - Step 3: Cross multiply
8,993,517.42x = 13,490,451.09 × 3,310,816.62 - Step 4: Simplify right side
8,993,517.42x = 44,664,409,680,069.12 - Step 5: Solve for x
x = 44,664,409,680,069.12/8,993,517.42 - Step 6: Final answer
x = 4,966,289.34
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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.