Finding the Fourth Proportional to 8,380,129.94, 12,563,414.50 and 2,619,899.99
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Solution
The fourth proportional to 8,380,129.94, 12,563,414.50 and 2,619,899.99 is: 3,927,730.21
Step by Step Solution
- Step 1: Write the proportion equation
8,380,129.94 : 12,563,414.50 = 2,619,899.99 : x - Step 2: Convert to fraction form
8,380,129.94/12,563,414.50 = 2,619,899.99/x - Step 3: Cross multiply
8,380,129.94x = 12,563,414.50 × 2,619,899.99 - Step 4: Simplify right side
8,380,129.94x = 32,914,889,522,915.86 - Step 5: Solve for x
x = 32,914,889,522,915.86/8,380,129.94 - Step 6: Final answer
x = 3,927,730.21
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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.