Finding the Fourth Proportional to 18,350,515.81, 27,526,987.50 and 5,397,825.21
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Solution
The fourth proportional to 18,350,515.81, 27,526,987.50 and 5,397,825.21 is: 8,097,094.84
Step by Step Solution
- Step 1: Write the proportion equation
18,350,515.81 : 27,526,987.50 = 5,397,825.21 : x - Step 2: Convert to fraction form
18,350,515.81/27,526,987.50 = 5,397,825.21/x - Step 3: Cross multiply
18,350,515.81x = 27,526,987.50 × 5,397,825.21 - Step 4: Simplify right side
18,350,515.81x = 148,585,866,945,219.94 - Step 5: Solve for x
x = 148,585,866,945,219.94/18,350,515.81 - Step 6: Final answer
x = 8,097,094.84
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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.