Finding the Fourth Proportional to 8,685,396.24, 13,028,187.87 and 2,620,180.50
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Solution
The fourth proportional to 8,685,396.24, 13,028,187.87 and 2,620,180.50 is: 3,930,298.96
Step by Step Solution
- Step 1: Write the proportion equation
8,685,396.24 : 13,028,187.87 = 2,620,180.50 : x - Step 2: Convert to fraction form
8,685,396.24/13,028,187.87 = 2,620,180.50/x - Step 3: Cross multiply
8,685,396.24x = 13,028,187.87 × 2,620,180.50 - Step 4: Simplify right side
8,685,396.24x = 34,136,203,807,310.53 - Step 5: Solve for x
x = 34,136,203,807,310.53/8,685,396.24 - Step 6: Final answer
x = 3,930,298.96
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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.