Finding the Fourth Proportional to 17,815,136.60, 26,722,704.90 and 15,264,219.80
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Solution
The fourth proportional to 17,815,136.60, 26,722,704.90 and 15,264,219.80 is: 22,896,329.70
Step by Step Solution
- Step 1: Write the proportion equation
17,815,136.60 : 26,722,704.90 = 15,264,219.80 : x - Step 2: Convert to fraction form
17,815,136.60/26,722,704.90 = 15,264,219.80/x - Step 3: Cross multiply
17,815,136.60x = 26,722,704.90 × 15,264,219.80 - Step 4: Simplify right side
17,815,136.60x = 407,901,241,244,137 - Step 5: Solve for x
x = 407,901,241,244,137/17,815,136.60 - Step 6: Final answer
x = 22,896,329.70
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1.5x scale
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.