Finding the Fourth Proportional to 8,186,432.94, 12,276,992.22 and 2,720,059.74
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Solution
The fourth proportional to 8,186,432.94, 12,276,992.22 and 2,720,059.74 is: 4,079,206.72
Step by Step Solution
- Step 1: Write the proportion equation
8,186,432.94 : 12,276,992.22 = 2,720,059.74 : x - Step 2: Convert to fraction form
8,186,432.94/12,276,992.22 = 2,720,059.74/x - Step 3: Cross multiply
8,186,432.94x = 12,276,992.22 × 2,720,059.74 - Step 4: Simplify right side
8,186,432.94x = 33,394,152,265,915.23 - Step 5: Solve for x
x = 33,394,152,265,915.23/8,186,432.94 - Step 6: Final answer
x = 4,079,206.72
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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.