Finding the Fourth Proportional to 14,121,330.56, 19,464,147.60 and 9,986,027.84
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Solution
The fourth proportional to 14,121,330.56, 19,464,147.60 and 9,986,027.84 is: 13,764,249.69
Step by Step Solution
- Step 1: Write the proportion equation
14,121,330.56 : 19,464,147.60 = 9,986,027.84 : x - Step 2: Convert to fraction form
14,121,330.56/19,464,147.60 = 9,986,027.84/x - Step 3: Cross multiply
14,121,330.56x = 19,464,147.60 × 9,986,027.84 - Step 4: Simplify right side
14,121,330.56x = 194,369,519,815,469.19 - Step 5: Solve for x
x = 194,369,519,815,469.19/14,121,330.56 - Step 6: Final answer
x = 13,764,249.69
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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.