Finding the Fourth Proportional to 7,760,104.10, 10,708,431.27 and 4,660,785.84
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Solution
The fourth proportional to 7,760,104.10, 10,708,431.27 and 4,660,785.84 is: 6,431,576.72
Step by Step Solution
- Step 1: Write the proportion equation
7,760,104.10 : 10,708,431.27 = 4,660,785.84 : x - Step 2: Convert to fraction form
7,760,104.10/10,708,431.27 = 4,660,785.84/x - Step 3: Cross multiply
7,760,104.10x = 10,708,431.27 × 4,660,785.84 - Step 4: Simplify right side
7,760,104.10x = 49,909,704,831,829.21 - Step 5: Solve for x
x = 49,909,704,831,829.21/7,760,104.10 - Step 6: Final answer
x = 6,431,576.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.