Finding the Fourth Proportional to 6,396,403.12, 8,826,183.57 and 4,107,663.88
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Solution
The fourth proportional to 6,396,403.12, 8,826,183.57 and 4,107,663.88 is: 5,668,028.54
Step by Step Solution
- Step 1: Write the proportion equation
6,396,403.12 : 8,826,183.57 = 4,107,663.88 : x - Step 2: Convert to fraction form
6,396,403.12/8,826,183.57 = 4,107,663.88/x - Step 3: Cross multiply
6,396,403.12x = 8,826,183.57 × 4,107,663.88 - Step 4: Simplify right side
6,396,403.12x = 36,254,995,448,738.45 - Step 5: Solve for x
x = 36,254,995,448,738.45/6,396,403.12 - Step 6: Final answer
x = 5,668,028.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.