Finding the Fourth Proportional to 13,244,845.68, 18,279,402.10 and 7,365,066.10
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Solution
The fourth proportional to 13,244,845.68, 18,279,402.10 and 7,365,066.10 is: 10,164,633.69
Step by Step Solution
- Step 1: Write the proportion equation
13,244,845.68 : 18,279,402.10 = 7,365,066.10 : x - Step 2: Convert to fraction form
13,244,845.68/18,279,402.10 = 7,365,066.10/x - Step 3: Cross multiply
13,244,845.68x = 18,279,402.10 × 7,365,066.10 - Step 4: Simplify right side
13,244,845.68x = 134,629,004,670,867.64 - Step 5: Solve for x
x = 134,629,004,670,867.64/13,244,845.68 - Step 6: Final answer
x = 10,164,633.69
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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.