Finding the Fourth Proportional to 19,867,735.36, 29,776,683.12 and 8,494,834.24
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Solution
The fourth proportional to 19,867,735.36, 29,776,683.12 and 8,494,834.24 is: 12,731,596.37
Step by Step Solution
- Step 1: Write the proportion equation
19,867,735.36 : 29,776,683.12 = 8,494,834.24 : x - Step 2: Convert to fraction form
19,867,735.36/29,776,683.12 = 8,494,834.24/x - Step 3: Cross multiply
19,867,735.36x = 29,776,683.12 × 8,494,834.24 - Step 4: Simplify right side
19,867,735.36x = 252,947,987,321,406.03 - Step 5: Solve for x
x = 252,947,987,321,406.03/19,867,735.36 - Step 6: Final answer
x = 12,731,596.37
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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.