Finding the Fourth Proportional to 11,122,943.10, 16,684,414.65 and 8,076,014.70
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Solution
The fourth proportional to 11,122,943.10, 16,684,414.65 and 8,076,014.70 is: 12,114,022.05
Step by Step Solution
- Step 1: Write the proportion equation
11,122,943.10 : 16,684,414.65 = 8,076,014.70 : x - Step 2: Convert to fraction form
11,122,943.10/16,684,414.65 = 8,076,014.70/x - Step 3: Cross multiply
11,122,943.10x = 16,684,414.65 × 8,076,014.70 - Step 4: Simplify right side
11,122,943.10x = 134,743,577,974,295.36 - Step 5: Solve for x
x = 134,743,577,974,295.36/11,122,943.10 - Step 6: Final answer
x = 12,114,022.05
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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.