Finding the Fourth Proportional to 10,498,019.12, 15,747,028.88 and 2,519,843.12
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Solution
The fourth proportional to 10,498,019.12, 15,747,028.88 and 2,519,843.12 is: 3,779,764.73
Step by Step Solution
- Step 1: Write the proportion equation
10,498,019.12 : 15,747,028.88 = 2,519,843.12 : x - Step 2: Convert to fraction form
10,498,019.12/15,747,028.88 = 2,519,843.12/x - Step 3: Cross multiply
10,498,019.12x = 15,747,028.88 × 2,519,843.12 - Step 4: Simplify right side
10,498,019.12x = 39,680,042,383,709.31 - Step 5: Solve for x
x = 39,680,042,383,709.31/10,498,019.12 - Step 6: Final answer
x = 3,779,764.73
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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.