Finding the Fourth Proportional to 7,148,075.04, 10,722,091.68 and 2,888,193.60
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Solution
The fourth proportional to 7,148,075.04, 10,722,091.68 and 2,888,193.60 is: 4,332,281.96
Step by Step Solution
- Step 1: Write the proportion equation
7,148,075.04 : 10,722,091.68 = 2,888,193.60 : x - Step 2: Convert to fraction form
7,148,075.04/10,722,091.68 = 2,888,193.60/x - Step 3: Cross multiply
7,148,075.04x = 10,722,091.68 × 2,888,193.60 - Step 4: Simplify right side
7,148,075.04x = 30,967,476,568,789.25 - Step 5: Solve for x
x = 30,967,476,568,789.25/7,148,075.04 - Step 6: Final answer
x = 4,332,281.96
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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.