Finding the Fourth Proportional to 18,487,515.60, 27,668,287.80 and 18,487,515.60
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Solution
The fourth proportional to 18,487,515.60, 27,668,287.80 and 18,487,515.60 is: 27,668,287.80
Step by Step Solution
- Step 1: Write the proportion equation
18,487,515.60 : 27,668,287.80 = 18,487,515.60 : x - Step 2: Convert to fraction form
18,487,515.60/27,668,287.80 = 18,487,515.60/x - Step 3: Cross multiply
18,487,515.60x = 27,668,287.80 × 18,487,515.60 - Step 4: Simplify right side
18,487,515.60x = 511,517,902,327,789.75 - Step 5: Solve for x
x = 511,517,902,327,789.75/18,487,515.60 - Step 6: Final answer
x = 27,668,287.80
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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.