Finding the Fourth Proportional to 6,147,002.36, 8,474,977.68 and 5,040,356.96
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Solution
The fourth proportional to 6,147,002.36, 8,474,977.68 and 5,040,356.96 is: 6,949,226.67
Step by Step Solution
- Step 1: Write the proportion equation
6,147,002.36 : 8,474,977.68 = 5,040,356.96 : x - Step 2: Convert to fraction form
6,147,002.36/8,474,977.68 = 5,040,356.96/x - Step 3: Cross multiply
6,147,002.36x = 8,474,977.68 × 5,040,356.96 - Step 4: Simplify right side
6,147,002.36x = 42,716,912,735,232.65 - Step 5: Solve for x
x = 42,716,912,735,232.65/6,147,002.36 - Step 6: Final answer
x = 6,949,226.67
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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.