Finding the Fourth Proportional to 7,029,826.75, 10,542,013.97 and 2,417,936.08
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Solution
The fourth proportional to 7,029,826.75, 10,542,013.97 and 2,417,936.08 is: 3,625,966.45
Step by Step Solution
- Step 1: Write the proportion equation
7,029,826.75 : 10,542,013.97 = 2,417,936.08 : x - Step 2: Convert to fraction form
7,029,826.75/10,542,013.97 = 2,417,936.08/x - Step 3: Cross multiply
7,029,826.75x = 10,542,013.97 × 2,417,936.08 - Step 4: Simplify right side
7,029,826.75x = 25,489,915,933,927.04 - Step 5: Solve for x
x = 25,489,915,933,927.04/7,029,826.75 - Step 6: Final answer
x = 3,625,966.45
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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.