Finding the Fourth Proportional to 8,127,481.26, 12,191,197.59 and 2,062,201.26
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Solution
The fourth proportional to 8,127,481.26, 12,191,197.59 and 2,062,201.26 is: 3,093,295.72
Step by Step Solution
- Step 1: Write the proportion equation
8,127,481.26 : 12,191,197.59 = 2,062,201.26 : x - Step 2: Convert to fraction form
8,127,481.26/12,191,197.59 = 2,062,201.26/x - Step 3: Cross multiply
8,127,481.26x = 12,191,197.59 × 2,062,201.26 - Step 4: Simplify right side
8,127,481.26x = 25,140,703,031,006.96 - Step 5: Solve for x
x = 25,140,703,031,006.96/8,127,481.26 - Step 6: Final answer
x = 3,093,295.72
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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.