Finding the Fourth Proportional to 28,025,163.60, 42,029,872.20 and 8,861,794.80
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Solution
The fourth proportional to 28,025,163.60, 42,029,872.20 and 8,861,794.80 is: 13,290,202.63
Step by Step Solution
- Step 1: Write the proportion equation
28,025,163.60 : 42,029,872.20 = 8,861,794.80 : x - Step 2: Convert to fraction form
28,025,163.60/42,029,872.20 = 8,861,794.80/x - Step 3: Cross multiply
28,025,163.60x = 42,029,872.20 × 8,861,794.80 - Step 4: Simplify right side
28,025,163.60x = 372,460,102,906,624.62 - Step 5: Solve for x
x = 372,460,102,906,624.62/28,025,163.60 - Step 6: Final answer
x = 13,290,202.63
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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.