Finding the Fourth Proportional to 8,831,281.26, 13,246,922.91 and 2,766,485.58
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Solution
The fourth proportional to 8,831,281.26, 13,246,922.91 and 2,766,485.58 is: 4,149,728.70
Step by Step Solution
- Step 1: Write the proportion equation
8,831,281.26 : 13,246,922.91 = 2,766,485.58 : x - Step 2: Convert to fraction form
8,831,281.26/13,246,922.91 = 2,766,485.58/x - Step 3: Cross multiply
8,831,281.26x = 13,246,922.91 × 2,766,485.58 - Step 4: Simplify right side
8,831,281.26x = 36,647,421,266,794.43 - Step 5: Solve for x
x = 36,647,421,266,794.43/8,831,281.26 - Step 6: Final answer
x = 4,149,728.70
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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.