Finding the Fourth Proportional to 7,858,452.99, 11,789,641.24 and 2,740,956.40
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Solution
The fourth proportional to 7,858,452.99, 11,789,641.24 and 2,740,956.40 is: 4,112,118.85
Step by Step Solution
- Step 1: Write the proportion equation
7,858,452.99 : 11,789,641.24 = 2,740,956.40 : x - Step 2: Convert to fraction form
7,858,452.99/11,789,641.24 = 2,740,956.40/x - Step 3: Cross multiply
7,858,452.99x = 11,789,641.24 × 2,740,956.40 - Step 4: Simplify right side
7,858,452.99x = 32,314,892,633,784.48 - Step 5: Solve for x
x = 32,314,892,633,784.48/7,858,452.99 - Step 6: Final answer
x = 4,112,118.85
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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.