Finding the Fourth Proportional to 8,094,528.20, 12,126,045.90 and 4,890,135.80
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Solution
The fourth proportional to 8,094,528.20, 12,126,045.90 and 4,890,135.80 is: 7,325,690.85
Step by Step Solution
- Step 1: Write the proportion equation
8,094,528.20 : 12,126,045.90 = 4,890,135.80 : x - Step 2: Convert to fraction form
8,094,528.20/12,126,045.90 = 4,890,135.80/x - Step 3: Cross multiply
8,094,528.20x = 12,126,045.90 × 4,890,135.80 - Step 4: Simplify right side
8,094,528.20x = 59,298,011,168,033.22 - Step 5: Solve for x
x = 59,298,011,168,033.22/8,094,528.20 - Step 6: Final answer
x = 7,325,690.85
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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.