Finding the Fourth Proportional to 39,483,629.34, 54,486,385.11 and 21,843,183.42
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Solution
The fourth proportional to 39,483,629.34, 54,486,385.11 and 21,843,183.42 is: 30,143,026.96
Step by Step Solution
- Step 1: Write the proportion equation
39,483,629.34 : 54,486,385.11 = 21,843,183.42 : x - Step 2: Convert to fraction form
39,483,629.34/54,486,385.11 = 21,843,183.42/x - Step 3: Cross multiply
39,483,629.34x = 54,486,385.11 × 21,843,183.42 - Step 4: Simplify right side
39,483,629.34x = 1,190,156,103,850,487 - Step 5: Solve for x
x = 1,190,156,103,850,487/39,483,629.34 - Step 6: Final answer
x = 30,143,026.96
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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.