Finding the Fourth Proportional to 10,640,232.76, 15,962,593.92 and 3,451,208.44
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Solution
The fourth proportional to 10,640,232.76, 15,962,593.92 and 3,451,208.44 is: 5,177,540.76
Step by Step Solution
- Step 1: Write the proportion equation
10,640,232.76 : 15,962,593.92 = 3,451,208.44 : x - Step 2: Convert to fraction form
10,640,232.76/15,962,593.92 = 3,451,208.44/x - Step 3: Cross multiply
10,640,232.76x = 15,962,593.92 × 3,451,208.44 - Step 4: Simplify right side
10,640,232.76x = 55,090,238,860,996.69 - Step 5: Solve for x
x = 55,090,238,860,996.69/10,640,232.76 - Step 6: Final answer
x = 5,177,540.76
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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.