Finding the Fourth Proportional to 17,691,661.62, 24,422,025.96 and 11,893,806
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Solution
The fourth proportional to 17,691,661.62, 24,422,025.96 and 11,893,806 is: 16,418,516.54
Step by Step Solution
- Step 1: Write the proportion equation
17,691,661.62 : 24,422,025.96 = 11,893,806 : x - Step 2: Convert to fraction form
17,691,661.62/24,422,025.96 = 11,893,806/x - Step 3: Cross multiply
17,691,661.62x = 24,422,025.96 × 11,893,806 - Step 4: Simplify right side
17,691,661.62x = 290,470,838,895,203.75 - Step 5: Solve for x
x = 290,470,838,895,203.75/17,691,661.62 - Step 6: Final answer
x = 16,418,516.54
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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.