Finding the Fourth Proportional to 8,800,720.90, 13,203,414.15 and 3,120,352.90
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Solution
The fourth proportional to 8,800,720.90, 13,203,414.15 and 3,120,352.90 is: 4,681,356.46
Step by Step Solution
- Step 1: Write the proportion equation
8,800,720.90 : 13,203,414.15 = 3,120,352.90 : x - Step 2: Convert to fraction form
8,800,720.90/13,203,414.15 = 3,120,352.90/x - Step 3: Cross multiply
8,800,720.90x = 13,203,414.15 × 3,120,352.90 - Step 4: Simplify right side
8,800,720.90x = 41,199,311,632,853.53 - Step 5: Solve for x
x = 41,199,311,632,853.53/8,800,720.90 - Step 6: Final answer
x = 4,681,356.46
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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.