Finding the Fourth Proportional to 8,353,604.80, 12,530,407.20 and 2,674,403.20
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Solution
The fourth proportional to 8,353,604.80, 12,530,407.20 and 2,674,403.20 is: 4,011,604.80
Step by Step Solution
- Step 1: Write the proportion equation
8,353,604.80 : 12,530,407.20 = 2,674,403.20 : x - Step 2: Convert to fraction form
8,353,604.80/12,530,407.20 = 2,674,403.20/x - Step 3: Cross multiply
8,353,604.80x = 12,530,407.20 × 2,674,403.20 - Step 4: Simplify right side
8,353,604.80x = 33,511,361,112,983.04 - Step 5: Solve for x
x = 33,511,361,112,983.04/8,353,604.80 - Step 6: Final answer
x = 4,011,604.80
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Similar ratio
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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.