Finding the Fourth Proportional to 11,103,694.73, 16,655,542.09 and 7,875,190.65
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Solution
The fourth proportional to 11,103,694.73, 16,655,542.09 and 7,875,190.65 is: 11,812,785.98
Step by Step Solution
- Step 1: Write the proportion equation
11,103,694.73 : 16,655,542.09 = 7,875,190.65 : x - Step 2: Convert to fraction form
11,103,694.73/16,655,542.09 = 7,875,190.65/x - Step 3: Cross multiply
11,103,694.73x = 16,655,542.09 × 7,875,190.65 - Step 4: Simplify right side
11,103,694.73x = 131,165,569,318,161.48 - Step 5: Solve for x
x = 131,165,569,318,161.48/11,103,694.73 - Step 6: Final answer
x = 11,812,785.98
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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.