Finding the Fourth Proportional to 8,311,132.80, 12,467,865.60 and 2,630,764.80
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Solution
The fourth proportional to 8,311,132.80, 12,467,865.60 and 2,630,764.80 is: 3,946,516.41
Step by Step Solution
- Step 1: Write the proportion equation
8,311,132.80 : 12,467,865.60 = 2,630,764.80 : x - Step 2: Convert to fraction form
8,311,132.80/12,467,865.60 = 2,630,764.80/x - Step 3: Cross multiply
8,311,132.80x = 12,467,865.60 × 2,630,764.80 - Step 4: Simplify right side
8,311,132.80x = 32,800,021,951,610.88 - Step 5: Solve for x
x = 32,800,021,951,610.88/8,311,132.80 - Step 6: Final answer
x = 3,946,516.41
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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.