Finding the Fourth Proportional to 10,524,546.63, 15,786,820.55 and 2,546,370.63
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Solution
The fourth proportional to 10,524,546.63, 15,786,820.55 and 2,546,370.63 is: 3,819,556.09
Step by Step Solution
- Step 1: Write the proportion equation
10,524,546.63 : 15,786,820.55 = 2,546,370.63 : x - Step 2: Convert to fraction form
10,524,546.63/15,786,820.55 = 2,546,370.63/x - Step 3: Cross multiply
10,524,546.63x = 15,786,820.55 × 2,546,370.63 - Step 4: Simplify right side
10,524,546.63x = 40,199,096,189,600.45 - Step 5: Solve for x
x = 40,199,096,189,600.45/10,524,546.63 - Step 6: Final answer
x = 3,819,556.09
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1.5x scale
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.