Finding the Fourth Proportional to 10,850,584.26, 14,986,233.63 and 7,145,975.70
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Solution
The fourth proportional to 10,850,584.26, 14,986,233.63 and 7,145,975.70 is: 9,869,630.87
Step by Step Solution
- Step 1: Write the proportion equation
10,850,584.26 : 14,986,233.63 = 7,145,975.70 : x - Step 2: Convert to fraction form
10,850,584.26/14,986,233.63 = 7,145,975.70/x - Step 3: Cross multiply
10,850,584.26x = 14,986,233.63 × 7,145,975.70 - Step 4: Simplify right side
10,850,584.26x = 107,091,261,354,502.80 - Step 5: Solve for x
x = 107,091,261,354,502.80/10,850,584.26 - Step 6: Final answer
x = 9,869,630.87
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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.