Finding the Fourth Proportional to 16,170,720.60, 24,256,080.90 and 10,431,157.80
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Solution
The fourth proportional to 16,170,720.60, 24,256,080.90 and 10,431,157.80 is: 15,646,736.70
Step by Step Solution
- Step 1: Write the proportion equation
16,170,720.60 : 24,256,080.90 = 10,431,157.80 : x - Step 2: Convert to fraction form
16,170,720.60/24,256,080.90 = 10,431,157.80/x - Step 3: Cross multiply
16,170,720.60x = 24,256,080.90 × 10,431,157.80 - Step 4: Simplify right side
16,170,720.60x = 253,019,007,477,466.03 - Step 5: Solve for x
x = 253,019,007,477,466.03/16,170,720.60 - Step 6: Final answer
x = 15,646,736.70
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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.