Finding the Fourth Proportional to 23,183,351.70, 34,778,964.15 and 12,397,723.80
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Solution
The fourth proportional to 23,183,351.70, 34,778,964.15 and 12,397,723.80 is: 18,598,690.87
Step by Step Solution
- Step 1: Write the proportion equation
23,183,351.70 : 34,778,964.15 = 12,397,723.80 : x - Step 2: Convert to fraction form
23,183,351.70/34,778,964.15 = 12,397,723.80/x - Step 3: Cross multiply
23,183,351.70x = 34,778,964.15 × 12,397,723.80 - Step 4: Simplify right side
23,183,351.70x = 431,179,991,581,801.75 - Step 5: Solve for x
x = 431,179,991,581,801.75/23,183,351.70 - Step 6: Final answer
x = 18,598,690.87
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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.