Finding the Fourth Proportional to 7,957,149.12, 11,937,917.43 and 3,168,201.42
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Solution
The fourth proportional to 7,957,149.12, 11,937,917.43 and 3,168,201.42 is: 4,753,175.59
Step by Step Solution
- Step 1: Write the proportion equation
7,957,149.12 : 11,937,917.43 = 3,168,201.42 : x - Step 2: Convert to fraction form
7,957,149.12/11,937,917.43 = 3,168,201.42/x - Step 3: Cross multiply
7,957,149.12x = 11,937,917.43 × 3,168,201.42 - Step 4: Simplify right side
7,957,149.12x = 37,821,726,953,568.75 - Step 5: Solve for x
x = 37,821,726,953,568.75/7,957,149.12 - Step 6: Final answer
x = 4,753,175.59
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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.