Finding the Fourth Proportional to 8,313,845.40, 12,474,915.30 and 4,722,370.20
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Solution
The fourth proportional to 8,313,845.40, 12,474,915.30 and 4,722,370.20 is: 7,085,910.96
Step by Step Solution
- Step 1: Write the proportion equation
8,313,845.40 : 12,474,915.30 = 4,722,370.20 : x - Step 2: Convert to fraction form
8,313,845.40/12,474,915.30 = 4,722,370.20/x - Step 3: Cross multiply
8,313,845.40x = 12,474,915.30 × 4,722,370.20 - Step 4: Simplify right side
8,313,845.40x = 58,911,168,260,244.06 - Step 5: Solve for x
x = 58,911,168,260,244.06/8,313,845.40 - Step 6: Final answer
x = 7,085,910.96
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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.