Finding the Fourth Proportional to 7,633,789.56, 11,450,421.90 and 1,954,063.08
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Solution
The fourth proportional to 7,633,789.56, 11,450,421.90 and 1,954,063.08 is: 2,931,027.44
Step by Step Solution
- Step 1: Write the proportion equation
7,633,789.56 : 11,450,421.90 = 1,954,063.08 : x - Step 2: Convert to fraction form
7,633,789.56/11,450,421.90 = 1,954,063.08/x - Step 3: Cross multiply
7,633,789.56x = 11,450,421.90 × 1,954,063.08 - Step 4: Simplify right side
7,633,789.56x = 22,374,846,685,213.45 - Step 5: Solve for x
x = 22,374,846,685,213.45/7,633,789.56 - Step 6: Final answer
x = 2,931,027.44
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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.