Finding the Fourth Proportional to 7,763,651.86, 11,647,574.20 and 2,372,154.96
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Solution
The fourth proportional to 7,763,651.86, 11,647,574.20 and 2,372,154.96 is: 3,558,872.99
Step by Step Solution
- Step 1: Write the proportion equation
7,763,651.86 : 11,647,574.20 = 2,372,154.96 : x - Step 2: Convert to fraction form
7,763,651.86/11,647,574.20 = 2,372,154.96/x - Step 3: Cross multiply
7,763,651.86x = 11,647,574.20 × 2,372,154.96 - Step 4: Simplify right side
7,763,651.86x = 27,629,850,910,498.03 - Step 5: Solve for x
x = 27,629,850,910,498.03/7,763,651.86 - Step 6: Final answer
x = 3,558,872.99
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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.