Finding the Fourth Proportional to 8,324,806.20, 12,487,209.30 and 2,645,604.60
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Solution
The fourth proportional to 8,324,806.20, 12,487,209.30 and 2,645,604.60 is: 3,968,406.90
Step by Step Solution
- Step 1: Write the proportion equation
8,324,806.20 : 12,487,209.30 = 2,645,604.60 : x - Step 2: Convert to fraction form
8,324,806.20/12,487,209.30 = 2,645,604.60/x - Step 3: Cross multiply
8,324,806.20x = 12,487,209.30 × 2,645,604.60 - Step 4: Simplify right side
8,324,806.20x = 33,036,218,365,242.78 - Step 5: Solve for x
x = 33,036,218,365,242.78/8,324,806.20 - Step 6: Final answer
x = 3,968,406.90
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Similar ratio
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1.5x scale
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.