Finding the Fourth Proportional to 36,936,268.76, 50,971,161.12 and 20,190,263.96
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Solution
The fourth proportional to 36,936,268.76, 50,971,161.12 and 20,190,263.96 is: 27,862,077.90
Step by Step Solution
- Step 1: Write the proportion equation
36,936,268.76 : 50,971,161.12 = 20,190,263.96 : x - Step 2: Convert to fraction form
36,936,268.76/50,971,161.12 = 20,190,263.96/x - Step 3: Cross multiply
36,936,268.76x = 50,971,161.12 × 20,190,263.96 - Step 4: Simplify right side
36,936,268.76x = 1,029,121,197,360,489.25 - Step 5: Solve for x
x = 1,029,121,197,360,489.25/36,936,268.76 - Step 6: Final answer
x = 27,862,077.90
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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.