Finding the Fourth Proportional to 11,010,455.40, 16,483,023.90 and 8,183,101.80
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Solution
The fourth proportional to 11,010,455.40, 16,483,023.90 and 8,183,101.80 is: 12,250,379.99
Step by Step Solution
- Step 1: Write the proportion equation
11,010,455.40 : 16,483,023.90 = 8,183,101.80 : x - Step 2: Convert to fraction form
11,010,455.40/16,483,023.90 = 8,183,101.80/x - Step 3: Cross multiply
11,010,455.40x = 16,483,023.90 × 8,183,101.80 - Step 4: Simplify right side
11,010,455.40x = 134,882,262,545,533.02 - Step 5: Solve for x
x = 134,882,262,545,533.02/11,010,455.40 - Step 6: Final answer
x = 12,250,379.99
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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.