Finding the Fourth Proportional to 7,067,741.96, 9,752,421.42 and 3,969,671.58
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Solution
The fourth proportional to 7,067,741.96, 9,752,421.42 and 3,969,671.58 is: 5,477,550.02
Step by Step Solution
- Step 1: Write the proportion equation
7,067,741.96 : 9,752,421.42 = 3,969,671.58 : x - Step 2: Convert to fraction form
7,067,741.96/9,752,421.42 = 3,969,671.58/x - Step 3: Cross multiply
7,067,741.96x = 9,752,421.42 × 3,969,671.58 - Step 4: Simplify right side
7,067,741.96x = 38,713,910,147,157.24 - Step 5: Solve for x
x = 38,713,910,147,157.24/7,067,741.96 - Step 6: Final answer
x = 5,477,550.02
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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.