Finding the Fourth Proportional to 12,610,090.13, 18,915,153.41 and 3,512,213.87
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Solution
The fourth proportional to 12,610,090.13, 18,915,153.41 and 3,512,213.87 is: 5,268,325.87
Step by Step Solution
- Step 1: Write the proportion equation
12,610,090.13 : 18,915,153.41 = 3,512,213.87 : x - Step 2: Convert to fraction form
12,610,090.13/18,915,153.41 = 3,512,213.87/x - Step 3: Cross multiply
12,610,090.13x = 18,915,153.41 × 3,512,213.87 - Step 4: Simplify right side
12,610,090.13x = 66,434,064,073,984.57 - Step 5: Solve for x
x = 66,434,064,073,984.57/12,610,090.13 - Step 6: Final answer
x = 5,268,325.87
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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.