Finding the Fourth Proportional to 6,957,763.20, 10,436,644.80 and 3,365,251.20
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Solution
The fourth proportional to 6,957,763.20, 10,436,644.80 and 3,365,251.20 is: 5,047,876.80
Step by Step Solution
- Step 1: Write the proportion equation
6,957,763.20 : 10,436,644.80 = 3,365,251.20 : x - Step 2: Convert to fraction form
6,957,763.20/10,436,644.80 = 3,365,251.20/x - Step 3: Cross multiply
6,957,763.20x = 10,436,644.80 × 3,365,251.20 - Step 4: Simplify right side
6,957,763.20x = 35,121,931,437,173.77 - Step 5: Solve for x
x = 35,121,931,437,173.77/6,957,763.20 - Step 6: Final answer
x = 5,047,876.80
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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.