Finding the Fourth Proportional to 7,328,276.40, 10,992,414.60 and 5,060,794.80
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Solution
The fourth proportional to 7,328,276.40, 10,992,414.60 and 5,060,794.80 is: 7,591,192.20
Step by Step Solution
- Step 1: Write the proportion equation
7,328,276.40 : 10,992,414.60 = 5,060,794.80 : x - Step 2: Convert to fraction form
7,328,276.40/10,992,414.60 = 5,060,794.80/x - Step 3: Cross multiply
7,328,276.40x = 10,992,414.60 × 5,060,794.80 - Step 4: Simplify right side
7,328,276.40x = 55,630,354,647,124.08 - Step 5: Solve for x
x = 55,630,354,647,124.08/7,328,276.40 - Step 6: Final answer
x = 7,591,192.20
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1.5x scale
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.