Finding the Fourth Proportional to 10,125,770.44, 13,973,563.20 and 5,542,091.80
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Solution
The fourth proportional to 10,125,770.44, 13,973,563.20 and 5,542,091.80 is: 7,648,086.68
Step by Step Solution
- Step 1: Write the proportion equation
10,125,770.44 : 13,973,563.20 = 5,542,091.80 : x - Step 2: Convert to fraction form
10,125,770.44/13,973,563.20 = 5,542,091.80/x - Step 3: Cross multiply
10,125,770.44x = 13,973,563.20 × 5,542,091.80 - Step 4: Simplify right side
10,125,770.44x = 77,442,770,027,501.75 - Step 5: Solve for x
x = 77,442,770,027,501.75/10,125,770.44 - Step 6: Final answer
x = 7,648,086.68
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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.