Finding the Fourth Proportional to 8,557,493.18, 12,840,391.67 and 3,764,559.68
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Solution
The fourth proportional to 8,557,493.18, 12,840,391.67 and 3,764,559.68 is: 5,648,665.99
Step by Step Solution
- Step 1: Write the proportion equation
8,557,493.18 : 12,840,391.67 = 3,764,559.68 : x - Step 2: Convert to fraction form
8,557,493.18/12,840,391.67 = 3,764,559.68/x - Step 3: Cross multiply
8,557,493.18x = 12,840,391.67 × 3,764,559.68 - Step 4: Simplify right side
8,557,493.18x = 48,338,420,673,265.10 - Step 5: Solve for x
x = 48,338,420,673,265.10/8,557,493.18 - Step 6: Final answer
x = 5,648,665.99
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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.