Finding the Fourth Proportional to 18,232,475.74, 25,168,563.75 and 11,360,353.12
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Solution
The fourth proportional to 18,232,475.74, 25,168,563.75 and 11,360,353.12 is: 15,682,114.48
Step by Step Solution
- Step 1: Write the proportion equation
18,232,475.74 : 25,168,563.75 = 11,360,353.12 : x - Step 2: Convert to fraction form
18,232,475.74/25,168,563.75 = 11,360,353.12/x - Step 3: Cross multiply
18,232,475.74x = 25,168,563.75 × 11,360,353.12 - Step 4: Simplify right side
18,232,475.74x = 285,923,771,723,231.38 - Step 5: Solve for x
x = 285,923,771,723,231.38/18,232,475.74 - Step 6: Final answer
x = 15,682,114.48
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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.