Finding the Fourth Proportional to 11,277,246.80, 15,562,615.68 and 6,120,608.42
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Solution
The fourth proportional to 11,277,246.80, 15,562,615.68 and 6,120,608.42 is: 8,446,447.81
Step by Step Solution
- Step 1: Write the proportion equation
11,277,246.80 : 15,562,615.68 = 6,120,608.42 : x - Step 2: Convert to fraction form
11,277,246.80/15,562,615.68 = 6,120,608.42/x - Step 3: Cross multiply
11,277,246.80x = 15,562,615.68 × 6,120,608.42 - Step 4: Simplify right side
11,277,246.80x = 95,252,676,568,232.02 - Step 5: Solve for x
x = 95,252,676,568,232.02/11,277,246.80 - Step 6: Final answer
x = 8,446,447.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.