Finding the Fourth Proportional to 8,160,429.24, 11,261,235.60 and 4,489,131.24
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Solution
The fourth proportional to 8,160,429.24, 11,261,235.60 and 4,489,131.24 is: 6,194,914.88
Step by Step Solution
- Step 1: Write the proportion equation
8,160,429.24 : 11,261,235.60 = 4,489,131.24 : x - Step 2: Convert to fraction form
8,160,429.24/11,261,235.60 = 4,489,131.24/x - Step 3: Cross multiply
8,160,429.24x = 11,261,235.60 × 4,489,131.24 - Step 4: Simplify right side
8,160,429.24x = 50,553,164,532,960.15 - Step 5: Solve for x
x = 50,553,164,532,960.15/8,160,429.24 - Step 6: Final answer
x = 6,194,914.88
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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.