Finding the Fourth Proportional to 39,183,237.32, 54,072,902.09 and 21,542,440.03
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Solution
The fourth proportional to 39,183,237.32, 54,072,902.09 and 21,542,440.03 is: 29,728,586.26
Step by Step Solution
- Step 1: Write the proportion equation
39,183,237.32 : 54,072,902.09 = 21,542,440.03 : x - Step 2: Convert to fraction form
39,183,237.32/54,072,902.09 = 21,542,440.03/x - Step 3: Cross multiply
39,183,237.32x = 54,072,902.09 × 21,542,440.03 - Step 4: Simplify right side
39,183,237.32x = 1,164,862,250,440,560.50 - Step 5: Solve for x
x = 1,164,862,250,440,560.50/39,183,237.32 - Step 6: Final answer
x = 29,728,586.26
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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.