Finding the Fourth Proportional to 17,950,863.04, 26,921,390.20 and 6,434,183.72
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Solution
The fourth proportional to 17,950,863.04, 26,921,390.20 and 6,434,183.72 is: 9,649,517.70
Step by Step Solution
- Step 1: Write the proportion equation
17,950,863.04 : 26,921,390.20 = 6,434,183.72 : x - Step 2: Convert to fraction form
17,950,863.04/26,921,390.20 = 6,434,183.72/x - Step 3: Cross multiply
17,950,863.04x = 26,921,390.20 × 6,434,183.72 - Step 4: Simplify right side
17,950,863.04x = 173,217,170,595,825.56 - Step 5: Solve for x
x = 173,217,170,595,825.56/17,950,863.04 - Step 6: Final answer
x = 9,649,517.70
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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.