Finding the Fourth Proportional to 7,414,882.80, 11,122,324.20 and 5,971,657.20
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Solution
The fourth proportional to 7,414,882.80, 11,122,324.20 and 5,971,657.20 is: 8,957,485.80
Step by Step Solution
- Step 1: Write the proportion equation
7,414,882.80 : 11,122,324.20 = 5,971,657.20 : x - Step 2: Convert to fraction form
7,414,882.80/11,122,324.20 = 5,971,657.20/x - Step 3: Cross multiply
7,414,882.80x = 11,122,324.20 × 5,971,657.20 - Step 4: Simplify right side
7,414,882.80x = 66,418,707,389,664.23 - Step 5: Solve for x
x = 66,418,707,389,664.23/7,414,882.80 - Step 6: Final answer
x = 8,957,485.80
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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.