Finding the Fourth Proportional to 11,156,389.80, 16,734,584.70 and 9,266,821.80
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Solution
The fourth proportional to 11,156,389.80, 16,734,584.70 and 9,266,821.80 is: 13,900,232.70
Step by Step Solution
- Step 1: Write the proportion equation
11,156,389.80 : 16,734,584.70 = 9,266,821.80 : x - Step 2: Convert to fraction form
11,156,389.80/16,734,584.70 = 9,266,821.80/x - Step 3: Cross multiply
11,156,389.80x = 16,734,584.70 × 9,266,821.80 - Step 4: Simplify right side
11,156,389.80x = 155,076,414,311,906.47 - Step 5: Solve for x
x = 155,076,414,311,906.47/11,156,389.80 - Step 6: Final answer
x = 13,900,232.70
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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.