Finding the Fourth Proportional to 12,352,720.97, 17,046,756.53 and 6,846,451.31
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Solution
The fourth proportional to 12,352,720.97, 17,046,756.53 and 6,846,451.31 is: 9,448,103.69
Step by Step Solution
- Step 1: Write the proportion equation
12,352,720.97 : 17,046,756.53 = 6,846,451.31 : x - Step 2: Convert to fraction form
12,352,720.97/17,046,756.53 = 6,846,451.31/x - Step 3: Cross multiply
12,352,720.97x = 17,046,756.53 × 6,846,451.31 - Step 4: Simplify right side
12,352,720.97x = 116,709,788,576,069.56 - Step 5: Solve for x
x = 116,709,788,576,069.56/12,352,720.97 - Step 6: Final answer
x = 9,448,103.69
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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.