Finding the Fourth Proportional to 7,546,633.38, 11,319,816.12 and 1,866,857.69
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Solution
The fourth proportional to 7,546,633.38, 11,319,816.12 and 1,866,857.69 is: 2,800,253.40
Step by Step Solution
- Step 1: Write the proportion equation
7,546,633.38 : 11,319,816.12 = 1,866,857.69 : x - Step 2: Convert to fraction form
7,546,633.38/11,319,816.12 = 1,866,857.69/x - Step 3: Cross multiply
7,546,633.38x = 11,319,816.12 × 1,866,857.69 - Step 4: Simplify right side
7,546,633.38x = 21,132,485,794,306.79 - Step 5: Solve for x
x = 21,132,485,794,306.79/7,546,633.38 - Step 6: Final answer
x = 2,800,253.40
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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.