Finding the Fourth Proportional to 17,401,813.70, 26,102,720.55 and 7,324,117.70
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Solution
The fourth proportional to 17,401,813.70, 26,102,720.55 and 7,324,117.70 is: 10,986,176.55
Step by Step Solution
- Step 1: Write the proportion equation
17,401,813.70 : 26,102,720.55 = 7,324,117.70 : x - Step 2: Convert to fraction form
17,401,813.70/26,102,720.55 = 7,324,117.70/x - Step 3: Cross multiply
17,401,813.70x = 26,102,720.55 × 7,324,117.70 - Step 4: Simplify right side
17,401,813.70x = 191,179,397,598,408.75 - Step 5: Solve for x
x = 191,179,397,598,408.75/17,401,813.70 - Step 6: Final answer
x = 10,986,176.55
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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.