Finding the Fourth Proportional to 23,330,480.10, 34,995,720.15 and 18,512,081.70
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Solution
The fourth proportional to 23,330,480.10, 34,995,720.15 and 18,512,081.70 is: 27,768,122.55
Step by Step Solution
- Step 1: Write the proportion equation
23,330,480.10 : 34,995,720.15 = 18,512,081.70 : x - Step 2: Convert to fraction form
23,330,480.10/34,995,720.15 = 18,512,081.70/x - Step 3: Cross multiply
23,330,480.10x = 34,995,720.15 × 18,512,081.70 - Step 4: Simplify right side
23,330,480.10x = 647,843,630,567,136.25 - Step 5: Solve for x
x = 647,843,630,567,136.25/23,330,480.10 - Step 6: Final answer
x = 27,768,122.55
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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.