Finding the Fourth Proportional to 7,414,908.80, 11,122,363.20 and 5,971,683.20
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Solution
The fourth proportional to 7,414,908.80, 11,122,363.20 and 5,971,683.20 is: 8,957,524.80
Step by Step Solution
- Step 1: Write the proportion equation
7,414,908.80 : 11,122,363.20 = 5,971,683.20 : x - Step 2: Convert to fraction form
7,414,908.80/11,122,363.20 = 5,971,683.20/x - Step 3: Cross multiply
7,414,908.80x = 11,122,363.20 × 5,971,683.20 - Step 4: Simplify right side
7,414,908.80x = 66,419,229,465,738.23 - Step 5: Solve for x
x = 66,419,229,465,738.23/7,414,908.80 - Step 6: Final answer
x = 8,957,524.80
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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.