Finding the Fourth Proportional to 7,851,803.24, 11,777,707.60 and 2,460,871.94
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Solution
The fourth proportional to 7,851,803.24, 11,777,707.60 and 2,460,871.94 is: 3,691,308.76
Step by Step Solution
- Step 1: Write the proportion equation
7,851,803.24 : 11,777,707.60 = 2,460,871.94 : x - Step 2: Convert to fraction form
7,851,803.24/11,777,707.60 = 2,460,871.94/x - Step 3: Cross multiply
7,851,803.24x = 11,777,707.60 × 2,460,871.94 - Step 4: Simplify right side
7,851,803.24x = 28,983,430,085,324.03 - Step 5: Solve for x
x = 28,983,430,085,324.03/7,851,803.24 - Step 6: Final answer
x = 3,691,308.76
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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.