Finding the Fourth Proportional to 8,146,351.06, 12,230,205.97 and 5,462,684.72
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Solution
The fourth proportional to 8,146,351.06, 12,230,205.97 and 5,462,684.72 is: 8,201,188.33
Step by Step Solution
- Step 1: Write the proportion equation
8,146,351.06 : 12,230,205.97 = 5,462,684.72 : x - Step 2: Convert to fraction form
8,146,351.06/12,230,205.97 = 5,462,684.72/x - Step 3: Cross multiply
8,146,351.06x = 12,230,205.97 × 5,462,684.72 - Step 4: Simplify right side
8,146,351.06x = 66,809,759,274,771.78 - Step 5: Solve for x
x = 66,809,759,274,771.78/8,146,351.06 - Step 6: Final answer
x = 8,201,188.33
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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.