Finding the Fourth Proportional to 13,486,163.10, 20,229,244.65 and 13,486,163.10
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Solution
The fourth proportional to 13,486,163.10, 20,229,244.65 and 13,486,163.10 is: 20,229,244.65
Step by Step Solution
- Step 1: Write the proportion equation
13,486,163.10 : 20,229,244.65 = 13,486,163.10 : x - Step 2: Convert to fraction form
13,486,163.10/20,229,244.65 = 13,486,163.10/x - Step 3: Cross multiply
13,486,163.10x = 20,229,244.65 × 13,486,163.10 - Step 4: Simplify right side
13,486,163.10x = 272,814,892,739,702.38 - Step 5: Solve for x
x = 272,814,892,739,702.38/13,486,163.10 - Step 6: Final answer
x = 20,229,244.65
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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.