Finding the Fourth Proportional to 11,314,136.80, 16,971,205.20 and 4,125,905.20
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Solution
The fourth proportional to 11,314,136.80, 16,971,205.20 and 4,125,905.20 is: 6,188,857.80
Step by Step Solution
- Step 1: Write the proportion equation
11,314,136.80 : 16,971,205.20 = 4,125,905.20 : x - Step 2: Convert to fraction form
11,314,136.80/16,971,205.20 = 4,125,905.20/x - Step 3: Cross multiply
11,314,136.80x = 16,971,205.20 × 4,125,905.20 - Step 4: Simplify right side
11,314,136.80x = 70,021,583,784,947.04 - Step 5: Solve for x
x = 70,021,583,784,947.04/11,314,136.80 - Step 6: Final answer
x = 6,188,857.80
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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.