Finding the Fourth Proportional to 10,243,064.16, 14,135,713.68 and 5,659,680.96
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Solution
The fourth proportional to 10,243,064.16, 14,135,713.68 and 5,659,680.96 is: 7,810,517.28
Step by Step Solution
- Step 1: Write the proportion equation
10,243,064.16 : 14,135,713.68 = 5,659,680.96 : x - Step 2: Convert to fraction form
10,243,064.16/14,135,713.68 = 5,659,680.96/x - Step 3: Cross multiply
10,243,064.16x = 14,135,713.68 × 5,659,680.96 - Step 4: Simplify right side
10,243,064.16x = 80,003,629,570,707.53 - Step 5: Solve for x
x = 80,003,629,570,707.53/10,243,064.16 - Step 6: Final answer
x = 7,810,517.28
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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.