Finding the Fourth Proportional to 8,235,020.20, 12,352,530.30 and 2,555,818.60
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Solution
The fourth proportional to 8,235,020.20, 12,352,530.30 and 2,555,818.60 is: 3,833,727.90
Step by Step Solution
- Step 1: Write the proportion equation
8,235,020.20 : 12,352,530.30 = 2,555,818.60 : x - Step 2: Convert to fraction form
8,235,020.20/12,352,530.30 = 2,555,818.60/x - Step 3: Cross multiply
8,235,020.20x = 12,352,530.30 × 2,555,818.60 - Step 4: Simplify right side
8,235,020.20x = 31,570,826,697,803.58 - Step 5: Solve for x
x = 31,570,826,697,803.58/8,235,020.20 - Step 6: Final answer
x = 3,833,727.90
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1.5x scale
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.