Finding the Fourth Proportional to 7,394,051.30, 11,072,414.55 and 4,855,964.90
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Solution
The fourth proportional to 7,394,051.30, 11,072,414.55 and 4,855,964.90 is: 7,271,691.02
Step by Step Solution
- Step 1: Write the proportion equation
7,394,051.30 : 11,072,414.55 = 4,855,964.90 : x - Step 2: Convert to fraction form
7,394,051.30/11,072,414.55 = 4,855,964.90/x - Step 3: Cross multiply
7,394,051.30x = 11,072,414.55 × 4,855,964.90 - Step 4: Simplify right side
7,394,051.30x = 53,767,256,413,049.30 - Step 5: Solve for x
x = 53,767,256,413,049.30/7,394,051.30 - Step 6: Final answer
x = 7,271,691.02
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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.