Finding the Fourth Proportional to 11,008,140.80, 16,496,464.80 and 8,106,866.60
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Solution
The fourth proportional to 11,008,140.80, 16,496,464.80 and 8,106,866.60 is: 12,148,703.58
Step by Step Solution
- Step 1: Write the proportion equation
11,008,140.80 : 16,496,464.80 = 8,106,866.60 : x - Step 2: Convert to fraction form
11,008,140.80/16,496,464.80 = 8,106,866.60/x - Step 3: Cross multiply
11,008,140.80x = 16,496,464.80 × 8,106,866.60 - Step 4: Simplify right side
11,008,140.80x = 133,734,639,505,195.69 - Step 5: Solve for x
x = 133,734,639,505,195.69/11,008,140.80 - Step 6: Final answer
x = 12,148,703.58
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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.