Finding the Fourth Proportional to 35,886,527.20, 53,765,638.80 and 21,839,183.20
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Solution
The fourth proportional to 35,886,527.20, 53,765,638.80 and 21,839,183.20 is: 32,719,734.32
Step by Step Solution
- Step 1: Write the proportion equation
35,886,527.20 : 53,765,638.80 = 21,839,183.20 : x - Step 2: Convert to fraction form
35,886,527.20/53,765,638.80 = 21,839,183.20/x - Step 3: Cross multiply
35,886,527.20x = 53,765,638.80 × 21,839,183.20 - Step 4: Simplify right side
35,886,527.20x = 1,174,197,635,618,228 - Step 5: Solve for x
x = 1,174,197,635,618,228/35,886,527.20 - Step 6: Final answer
x = 32,719,734.32
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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.