Finding the Fourth Proportional to 19,801,169.98, 29,701,778.37 and 5,424,361.58
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Solution
The fourth proportional to 19,801,169.98, 29,701,778.37 and 5,424,361.58 is: 8,136,548.78
Step by Step Solution
- Step 1: Write the proportion equation
19,801,169.98 : 29,701,778.37 = 5,424,361.58 : x - Step 2: Convert to fraction form
19,801,169.98/29,701,778.37 = 5,424,361.58/x - Step 3: Cross multiply
19,801,169.98x = 29,701,778.37 × 5,424,361.58 - Step 4: Simplify right side
19,801,169.98x = 161,113,185,447,903.03 - Step 5: Solve for x
x = 161,113,185,447,903.03/19,801,169.98 - Step 6: Final answer
x = 8,136,548.78
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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.