Finding the Fourth Proportional to 7,008,485.82, 10,512,812.97 and 2,750,659.26
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Solution
The fourth proportional to 7,008,485.82, 10,512,812.97 and 2,750,659.26 is: 4,126,021.95
Step by Step Solution
- Step 1: Write the proportion equation
7,008,485.82 : 10,512,812.97 = 2,750,659.26 : x - Step 2: Convert to fraction form
7,008,485.82/10,512,812.97 = 2,750,659.26/x - Step 3: Cross multiply
7,008,485.82x = 10,512,812.97 × 2,750,659.26 - Step 4: Simplify right side
7,008,485.82x = 28,917,166,344,578.60 - Step 5: Solve for x
x = 28,917,166,344,578.60/7,008,485.82 - Step 6: Final answer
x = 4,126,021.95
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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.