Finding the Fourth Proportional to 8,303,563.20, 12,455,344.80 and 4,524,427.20
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Solution
The fourth proportional to 8,303,563.20, 12,455,344.80 and 4,524,427.20 is: 6,786,640.80
Step by Step Solution
- Step 1: Write the proportion equation
8,303,563.20 : 12,455,344.80 = 4,524,427.20 : x - Step 2: Convert to fraction form
8,303,563.20/12,455,344.80 = 4,524,427.20/x - Step 3: Cross multiply
8,303,563.20x = 12,455,344.80 × 4,524,427.20 - Step 4: Simplify right side
8,303,563.20x = 56,353,300,798,498.56 - Step 5: Solve for x
x = 56,353,300,798,498.56/8,303,563.20 - Step 6: Final answer
x = 6,786,640.80
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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.