Finding the Fourth Proportional to 11,812,865.97, 16,301,765.97 and 6,380,357.97
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Solution
The fourth proportional to 11,812,865.97, 16,301,765.97 and 6,380,357.97 is: 8,804,899.90
Step by Step Solution
- Step 1: Write the proportion equation
11,812,865.97 : 16,301,765.97 = 6,380,357.97 : x - Step 2: Convert to fraction form
11,812,865.97/16,301,765.97 = 6,380,357.97/x - Step 3: Cross multiply
11,812,865.97x = 16,301,765.97 × 6,380,357.97 - Step 4: Simplify right side
11,812,865.97x = 104,011,102,431,764.28 - Step 5: Solve for x
x = 104,011,102,431,764.28/11,812,865.97 - Step 6: Final answer
x = 8,804,899.90
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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.