Finding the Fourth Proportional to 6,168,709.26, 8,497,608.12 and 5,247,989.54
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Solution
The fourth proportional to 6,168,709.26, 8,497,608.12 and 5,247,989.54 is: 7,229,285.20
Step by Step Solution
- Step 1: Write the proportion equation
6,168,709.26 : 8,497,608.12 = 5,247,989.54 : x - Step 2: Convert to fraction form
6,168,709.26/8,497,608.12 = 5,247,989.54/x - Step 3: Cross multiply
6,168,709.26x = 8,497,608.12 × 5,247,989.54 - Step 4: Simplify right side
6,168,709.26x = 44,595,358,528,779.06 - Step 5: Solve for x
x = 44,595,358,528,779.06/6,168,709.26 - Step 6: Final answer
x = 7,229,285.20
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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.