Finding the Fourth Proportional to 11,887,879.55, 16,405,338.24 and 6,732,245.75
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Solution
The fourth proportional to 11,887,879.55, 16,405,338.24 and 6,732,245.75 is: 9,290,535.64
Step by Step Solution
- Step 1: Write the proportion equation
11,887,879.55 : 16,405,338.24 = 6,732,245.75 : x - Step 2: Convert to fraction form
11,887,879.55/16,405,338.24 = 6,732,245.75/x - Step 3: Cross multiply
11,887,879.55x = 16,405,338.24 × 6,732,245.75 - Step 4: Simplify right side
11,887,879.55x = 110,444,768,561,525.80 - Step 5: Solve for x
x = 110,444,768,561,525.80/11,887,879.55 - Step 6: Final answer
x = 9,290,535.64
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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.