Finding the Fourth Proportional to 7,541,769.66, 11,313,780.09 and 3,498,666.18
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Solution
The fourth proportional to 7,541,769.66, 11,313,780.09 and 3,498,666.18 is: 5,248,521.44
Step by Step Solution
- Step 1: Write the proportion equation
7,541,769.66 : 11,313,780.09 = 3,498,666.18 : x - Step 2: Convert to fraction form
7,541,769.66/11,313,780.09 = 3,498,666.18/x - Step 3: Cross multiply
7,541,769.66x = 11,313,780.09 × 3,498,666.18 - Step 4: Simplify right side
7,541,769.66x = 39,583,139,768,840.36 - Step 5: Solve for x
x = 39,583,139,768,840.36/7,541,769.66 - Step 6: Final answer
x = 5,248,521.44
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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.