Finding the Fourth Proportional to 7,416,265.46, 11,105,372.91 and 5,138,554.10
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Solution
The fourth proportional to 7,416,265.46, 11,105,372.91 and 5,138,554.10 is: 7,694,648.99
Step by Step Solution
- Step 1: Write the proportion equation
7,416,265.46 : 11,105,372.91 = 5,138,554.10 : x - Step 2: Convert to fraction form
7,416,265.46/11,105,372.91 = 5,138,554.10/x - Step 3: Cross multiply
7,416,265.46x = 11,105,372.91 × 5,138,554.10 - Step 4: Simplify right side
7,416,265.46x = 57,065,559,498,709.43 - Step 5: Solve for x
x = 57,065,559,498,709.43/7,416,265.46 - Step 6: Final answer
x = 7,694,648.99
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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.