Finding the Fourth Proportional to 10,769,424.60, 16,154,136.90 and 7,746,115.80
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Solution
The fourth proportional to 10,769,424.60, 16,154,136.90 and 7,746,115.80 is: 11,619,173.70
Step by Step Solution
- Step 1: Write the proportion equation
10,769,424.60 : 16,154,136.90 = 7,746,115.80 : x - Step 2: Convert to fraction form
10,769,424.60/16,154,136.90 = 7,746,115.80/x - Step 3: Cross multiply
10,769,424.60x = 16,154,136.90 × 7,746,115.80 - Step 4: Simplify right side
10,769,424.60x = 125,131,815,076,453.02 - Step 5: Solve for x
x = 125,131,815,076,453.02/10,769,424.60 - Step 6: Final answer
x = 11,619,173.70
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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.