Finding the Fourth Proportional to 7,764,935.58, 11,647,431.99 and 2,373,565.05
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Solution
The fourth proportional to 7,764,935.58, 11,647,431.99 and 2,373,565.05 is: 3,560,356.32
Step by Step Solution
- Step 1: Write the proportion equation
7,764,935.58 : 11,647,431.99 = 2,373,565.05 : x - Step 2: Convert to fraction form
7,764,935.58/11,647,431.99 = 2,373,565.05/x - Step 3: Cross multiply
7,764,935.58x = 11,647,431.99 × 2,373,565.05 - Step 4: Simplify right side
7,764,935.58x = 27,645,937,493,715.95 - Step 5: Solve for x
x = 27,645,937,493,715.95/7,764,935.58 - Step 6: Final answer
x = 3,560,356.32
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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.