Finding the Fourth Proportional to 8,352,080.80, 12,528,121.20 and 4,100,552.80
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Solution
The fourth proportional to 8,352,080.80, 12,528,121.20 and 4,100,552.80 is: 6,150,829.20
Step by Step Solution
- Step 1: Write the proportion equation
8,352,080.80 : 12,528,121.20 = 4,100,552.80 : x - Step 2: Convert to fraction form
8,352,080.80/12,528,121.20 = 4,100,552.80/x - Step 3: Cross multiply
8,352,080.80x = 12,528,121.20 × 4,100,552.80 - Step 4: Simplify right side
8,352,080.80x = 51,372,222,465,399.35 - Step 5: Solve for x
x = 51,372,222,465,399.35/8,352,080.80 - Step 6: Final answer
x = 6,150,829.20
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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.