Finding the Fourth Proportional to 8,545,441.76, 11,792,708.75 and 4,625,197.21
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Solution
The fourth proportional to 8,545,441.76, 11,792,708.75 and 4,625,197.21 is: 6,382,771.66
Step by Step Solution
- Step 1: Write the proportion equation
8,545,441.76 : 11,792,708.75 = 4,625,197.21 : x - Step 2: Convert to fraction form
8,545,441.76/11,792,708.75 = 4,625,197.21/x - Step 3: Cross multiply
8,545,441.76x = 11,792,708.75 × 4,625,197.21 - Step 4: Simplify right side
8,545,441.76x = 54,543,603,526,753.05 - Step 5: Solve for x
x = 54,543,603,526,753.05/8,545,441.76 - Step 6: Final answer
x = 6,382,771.66
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1.5x scale
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.