Finding the Fourth Proportional to 18,683,850.36, 25,783,125.66 and 10,954,039.80
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Solution
The fourth proportional to 18,683,850.36, 25,783,125.66 and 10,954,039.80 is: 15,116,230.28
Step by Step Solution
- Step 1: Write the proportion equation
18,683,850.36 : 25,783,125.66 = 10,954,039.80 : x - Step 2: Convert to fraction form
18,683,850.36/25,783,125.66 = 10,954,039.80/x - Step 3: Cross multiply
18,683,850.36x = 25,783,125.66 × 10,954,039.80 - Step 4: Simplify right side
18,683,850.36x = 282,429,384,648,041.31 - Step 5: Solve for x
x = 282,429,384,648,041.31/18,683,850.36 - Step 6: Final answer
x = 15,116,230.28
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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.