Finding the Fourth Proportional to 7,594,517.16, 11,391,784.38 and 2,800,129.32
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Solution
The fourth proportional to 7,594,517.16, 11,391,784.38 and 2,800,129.32 is: 4,200,197.17
Step by Step Solution
- Step 1: Write the proportion equation
7,594,517.16 : 11,391,784.38 = 2,800,129.32 : x - Step 2: Convert to fraction form
7,594,517.16/11,391,784.38 = 2,800,129.32/x - Step 3: Cross multiply
7,594,517.16x = 11,391,784.38 × 2,800,129.32 - Step 4: Simplify right side
7,594,517.16x = 31,898,469,449,556.02 - Step 5: Solve for x
x = 31,898,469,449,556.02/7,594,517.16 - Step 6: Final answer
x = 4,200,197.17
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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.