Finding the Fourth Proportional to 7,204,616.26, 9,941,285.15 and 4,107,408.73
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Solution
The fourth proportional to 7,204,616.26, 9,941,285.15 and 4,107,408.73 is: 5,667,605.31
Step by Step Solution
- Step 1: Write the proportion equation
7,204,616.26 : 9,941,285.15 = 4,107,408.73 : x - Step 2: Convert to fraction form
7,204,616.26/9,941,285.15 = 4,107,408.73/x - Step 3: Cross multiply
7,204,616.26x = 9,941,285.15 × 4,107,408.73 - Step 4: Simplify right side
7,204,616.26x = 40,832,921,382,541.88 - Step 5: Solve for x
x = 40,832,921,382,541.88/7,204,616.26 - Step 6: Final answer
x = 5,667,605.31
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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.