Finding the Fourth Proportional to 7,661,431.08, 11,489,645.88 and 2,542,485.84
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Solution
The fourth proportional to 7,661,431.08, 11,489,645.88 and 2,542,485.84 is: 3,812,898.88
Step by Step Solution
- Step 1: Write the proportion equation
7,661,431.08 : 11,489,645.88 = 2,542,485.84 : x - Step 2: Convert to fraction form
7,661,431.08/11,489,645.88 = 2,542,485.84/x - Step 3: Cross multiply
7,661,431.08x = 11,489,645.88 × 2,542,485.84 - Step 4: Simplify right side
7,661,431.08x = 29,212,261,956,514.34 - Step 5: Solve for x
x = 29,212,261,956,514.34/7,661,431.08 - Step 6: Final answer
x = 3,812,898.88
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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.