Finding the Fourth Proportional to 8,108,976.53, 11,190,391.97 and 4,437,890.95
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Solution
The fourth proportional to 8,108,976.53, 11,190,391.97 and 4,437,890.95 is: 6,124,291.90
Step by Step Solution
- Step 1: Write the proportion equation
8,108,976.53 : 11,190,391.97 = 4,437,890.95 : x - Step 2: Convert to fraction form
8,108,976.53/11,190,391.97 = 4,437,890.95/x - Step 3: Cross multiply
8,108,976.53x = 11,190,391.97 × 4,437,890.95 - Step 4: Simplify right side
8,108,976.53x = 49,661,739,250,615.68 - Step 5: Solve for x
x = 49,661,739,250,615.68/8,108,976.53 - Step 6: Final answer
x = 6,124,291.90
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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.