Finding the Fourth Proportional to 20,062,128.08, 27,694,212.68 and 13,544,586.20
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Solution
The fourth proportional to 20,062,128.08, 27,694,212.68 and 13,544,586.20 is: 18,697,251.33
Step by Step Solution
- Step 1: Write the proportion equation
20,062,128.08 : 27,694,212.68 = 13,544,586.20 : x - Step 2: Convert to fraction form
20,062,128.08/27,694,212.68 = 13,544,586.20/x - Step 3: Cross multiply
20,062,128.08x = 27,694,212.68 × 13,544,586.20 - Step 4: Simplify right side
20,062,128.08x = 375,106,650,885,393 - Step 5: Solve for x
x = 375,106,650,885,393/20,062,128.08 - Step 6: Final answer
x = 18,697,251.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.