Finding the Fourth Proportional to 8,211,378.88, 11,331,245.46 and 4,540,074.88
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Solution
The fourth proportional to 8,211,378.88, 11,331,245.46 and 4,540,074.88 is: 6,265,050.44
Step by Step Solution
- Step 1: Write the proportion equation
8,211,378.88 : 11,331,245.46 = 4,540,074.88 : x - Step 2: Convert to fraction form
8,211,378.88/11,331,245.46 = 4,540,074.88/x - Step 3: Cross multiply
8,211,378.88x = 11,331,245.46 × 4,540,074.88 - Step 4: Simplify right side
8,211,378.88x = 51,444,702,872,060.05 - Step 5: Solve for x
x = 51,444,702,872,060.05/8,211,378.88 - Step 6: Final answer
x = 6,265,050.44
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.