Finding the Fourth Proportional to 13,204,219.20, 18,498,504 and 13,204,219.20
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Solution
The fourth proportional to 13,204,219.20, 18,498,504 and 13,204,219.20 is: 18,498,504
Step by Step Solution
- Step 1: Write the proportion equation
13,204,219.20 : 18,498,504 = 13,204,219.20 : x - Step 2: Convert to fraction form
13,204,219.20/18,498,504 = 13,204,219.20/x - Step 3: Cross multiply
13,204,219.20x = 18,498,504 × 13,204,219.20 - Step 4: Simplify right side
13,204,219.20x = 244,258,301,688,076.78 - Step 5: Solve for x
x = 244,258,301,688,076.78/13,204,219.20 - Step 6: Final answer
x = 18,498,504
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.