Finding the Fourth Proportional to 6,873,481.50, 10,319,232.99 and 4,609,138.03
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Solution
The fourth proportional to 6,873,481.50, 10,319,232.99 and 4,609,138.03 is: 6,919,749.35
Step by Step Solution
- Step 1: Write the proportion equation
6,873,481.50 : 10,319,232.99 = 4,609,138.03 : x - Step 2: Convert to fraction form
6,873,481.50/10,319,232.99 = 4,609,138.03/x - Step 3: Cross multiply
6,873,481.50x = 10,319,232.99 × 4,609,138.03 - Step 4: Simplify right side
6,873,481.50x = 47,562,769,139,997.76 - Step 5: Solve for x
x = 47,562,769,139,997.76/6,873,481.50 - Step 6: Final answer
x = 6,919,749.35
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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.