Finding the Fourth Proportional to 18,647,961,420.42, 27,961,726,941.93 and 9,183,793,416.99
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Solution
The fourth proportional to 18,647,961,420.42, 27,961,726,941.93 and 9,183,793,416.99 is: 13,770,659,324.50
Step by Step Solution
- Step 1: Write the proportion equation
18,647,961,420.42 : 27,961,726,941.93 = 9,183,793,416.99 : x - Step 2: Convert to fraction form
18,647,961,420.42/27,961,726,941.93 = 9,183,793,416.99/x - Step 3: Cross multiply
18,647,961,420.42x = 27,961,726,941.93 × 9,183,793,416.99 - Step 4: Simplify right side
18,647,961,420.42x = 256,794,723,817,047,752,704 - Step 5: Solve for x
x = 256,794,723,817,047,752,704/18,647,961,420.42 - Step 6: Final answer
x = 13,770,659,324.50
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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.