Finding the Fourth Proportional to 8,737,541.20, 13,106,311.80 and 7,244,549.20
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Solution
The fourth proportional to 8,737,541.20, 13,106,311.80 and 7,244,549.20 is: 10,866,823.80
Step by Step Solution
- Step 1: Write the proportion equation
8,737,541.20 : 13,106,311.80 = 7,244,549.20 : x - Step 2: Convert to fraction form
8,737,541.20/13,106,311.80 = 7,244,549.20/x - Step 3: Cross multiply
8,737,541.20x = 13,106,311.80 × 7,244,549.20 - Step 4: Simplify right side
8,737,541.20x = 94,949,320,665,640.56 - Step 5: Solve for x
x = 94,949,320,665,640.56/8,737,541.20 - Step 6: Final answer
x = 10,866,823.80
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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.