Finding the Fourth Proportional to 7,541,763.16, 11,313,770.34 and 3,498,659.68
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Solution
The fourth proportional to 7,541,763.16, 11,313,770.34 and 3,498,659.68 is: 5,248,511.69
Step by Step Solution
- Step 1: Write the proportion equation
7,541,763.16 : 11,313,770.34 = 3,498,659.68 : x - Step 2: Convert to fraction form
7,541,763.16/11,313,770.34 = 3,498,659.68/x - Step 3: Cross multiply
7,541,763.16x = 11,313,770.34 × 3,498,659.68 - Step 4: Simplify right side
7,541,763.16x = 39,583,032,117,337.89 - Step 5: Solve for x
x = 39,583,032,117,337.89/7,541,763.16 - Step 6: Final answer
x = 5,248,511.69
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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.