Finding the Fourth Proportional to 13,258,885.14, 18,297,450.45 and 7,826,377.14
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Solution
The fourth proportional to 13,258,885.14, 18,297,450.45 and 7,826,377.14 is: 10,800,511.99
Step by Step Solution
- Step 1: Write the proportion equation
13,258,885.14 : 18,297,450.45 = 7,826,377.14 : x - Step 2: Convert to fraction form
13,258,885.14/18,297,450.45 = 7,826,377.14/x - Step 3: Cross multiply
13,258,885.14x = 18,297,450.45 × 7,826,377.14 - Step 4: Simplify right side
13,258,885.14x = 143,202,747,922,162.69 - Step 5: Solve for x
x = 143,202,747,922,162.69/13,258,885.14 - Step 6: Final answer
x = 10,800,511.99
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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.