Finding the Fourth Proportional to 14,783,858.40, 22,175,787.60 and 8,413,759.20
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Solution
The fourth proportional to 14,783,858.40, 22,175,787.60 and 8,413,759.20 is: 12,620,638.80
Step by Step Solution
- Step 1: Write the proportion equation
14,783,858.40 : 22,175,787.60 = 8,413,759.20 : x - Step 2: Convert to fraction form
14,783,858.40/22,175,787.60 = 8,413,759.20/x - Step 3: Cross multiply
14,783,858.40x = 22,175,787.60 × 8,413,759.20 - Step 4: Simplify right side
14,783,858.40x = 186,581,736,936,745.91 - Step 5: Solve for x
x = 186,581,736,936,745.91/14,783,858.40 - Step 6: Final answer
x = 12,620,638.80
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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.