Finding the Fourth Proportional to 12,275,142.24, 16,946,954.64 and 10,913,247.12
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Solution
The fourth proportional to 12,275,142.24, 16,946,954.64 and 10,913,247.12 is: 15,066,734.08
Step by Step Solution
- Step 1: Write the proportion equation
12,275,142.24 : 16,946,954.64 = 10,913,247.12 : x - Step 2: Convert to fraction form
12,275,142.24/16,946,954.64 = 10,913,247.12/x - Step 3: Cross multiply
12,275,142.24x = 16,946,954.64 × 10,913,247.12 - Step 4: Simplify right side
12,275,142.24x = 184,946,303,917,750.62 - Step 5: Solve for x
x = 184,946,303,917,750.62/12,275,142.24 - Step 6: Final answer
x = 15,066,734.08
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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.