Finding the Fourth Proportional to 8,163,077.40, 12,245,912.10 and 2,772,235.80
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Solution
The fourth proportional to 8,163,077.40, 12,245,912.10 and 2,772,235.80 is: 4,158,793.83
Step by Step Solution
- Step 1: Write the proportion equation
8,163,077.40 : 12,245,912.10 = 2,772,235.80 : x - Step 2: Convert to fraction form
8,163,077.40/12,245,912.10 = 2,772,235.80/x - Step 3: Cross multiply
8,163,077.40x = 12,245,912.10 × 2,772,235.80 - Step 4: Simplify right side
8,163,077.40x = 33,948,555,927,273.18 - Step 5: Solve for x
x = 33,948,555,927,273.18/8,163,077.40 - Step 6: Final answer
x = 4,158,793.83
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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.