Finding the Fourth Proportional to 10,530,657.75, 15,795,986.64 and 2,552,481.75
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Solution
The fourth proportional to 10,530,657.75, 15,795,986.64 and 2,552,481.75 is: 3,828,722.63
Step by Step Solution
- Step 1: Write the proportion equation
10,530,657.75 : 15,795,986.64 = 2,552,481.75 : x - Step 2: Convert to fraction form
10,530,657.75/15,795,986.64 = 2,552,481.75/x - Step 3: Cross multiply
10,530,657.75x = 15,795,986.64 × 2,552,481.75 - Step 4: Simplify right side
10,530,657.75x = 40,318,967,621,843.82 - Step 5: Solve for x
x = 40,318,967,621,843.82/10,530,657.75 - Step 6: Final answer
x = 3,828,722.63
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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.