Finding the Fourth Proportional to 12,237,626.45, 16,887,958.20 and 6,731,565.53
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Solution
The fourth proportional to 12,237,626.45, 16,887,958.20 and 6,731,565.53 is: 9,289,578.96
Step by Step Solution
- Step 1: Write the proportion equation
12,237,626.45 : 16,887,958.20 = 6,731,565.53 : x - Step 2: Convert to fraction form
12,237,626.45/16,887,958.20 = 6,731,565.53/x - Step 3: Cross multiply
12,237,626.45x = 16,887,958.20 × 6,731,565.53 - Step 4: Simplify right side
12,237,626.45x = 113,682,397,206,761.06 - Step 5: Solve for x
x = 113,682,397,206,761.06/12,237,626.45 - Step 6: Final answer
x = 9,289,578.96
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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.