Finding the Fourth Proportional to 8,380,330.68, 12,565,351.35 and 3,256,778.10
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Solution
The fourth proportional to 8,380,330.68, 12,565,351.35 and 3,256,778.10 is: 4,883,167.82
Step by Step Solution
- Step 1: Write the proportion equation
8,380,330.68 : 12,565,351.35 = 3,256,778.10 : x - Step 2: Convert to fraction form
8,380,330.68/12,565,351.35 = 3,256,778.10/x - Step 3: Cross multiply
8,380,330.68x = 12,565,351.35 × 3,256,778.10 - Step 4: Simplify right side
8,380,330.68x = 40,922,561,095,485.44 - Step 5: Solve for x
x = 40,922,561,095,485.44/8,380,330.68 - Step 6: Final answer
x = 4,883,167.82
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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.