Finding the Fourth Proportional to 8,122,923.36, 12,184,297.56 and 3,329,544.24
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Solution
The fourth proportional to 8,122,923.36, 12,184,297.56 and 3,329,544.24 is: 4,994,280.50
Step by Step Solution
- Step 1: Write the proportion equation
8,122,923.36 : 12,184,297.56 = 3,329,544.24 : x - Step 2: Convert to fraction form
8,122,923.36/12,184,297.56 = 3,329,544.24/x - Step 3: Cross multiply
8,122,923.36x = 12,184,297.56 × 3,329,544.24 - Step 4: Simplify right side
8,122,923.36x = 40,568,157,759,344.06 - Step 5: Solve for x
x = 40,568,157,759,344.06/8,122,923.36 - Step 6: Final answer
x = 4,994,280.50
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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.