Finding the Fourth Proportional to 18,440,133.10, 27,660,199.65 and 13,961,157.10
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Solution
The fourth proportional to 18,440,133.10, 27,660,199.65 and 13,961,157.10 is: 20,941,735.65
Step by Step Solution
- Step 1: Write the proportion equation
18,440,133.10 : 27,660,199.65 = 13,961,157.10 : x - Step 2: Convert to fraction form
18,440,133.10/27,660,199.65 = 13,961,157.10/x - Step 3: Cross multiply
18,440,133.10x = 27,660,199.65 × 13,961,157.10 - Step 4: Simplify right side
18,440,133.10x = 386,168,392,731,015 - Step 5: Solve for x
x = 386,168,392,731,015/18,440,133.10 - Step 6: Final answer
x = 20,941,735.65
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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.