Finding the Fourth Proportional to 7,840,214.38, 11,743,175.49 and 5,558,823.46
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Solution
The fourth proportional to 7,840,214.38, 11,743,175.49 and 5,558,823.46 is: 8,326,078.38
Step by Step Solution
- Step 1: Write the proportion equation
7,840,214.38 : 11,743,175.49 = 5,558,823.46 : x - Step 2: Convert to fraction form
7,840,214.38/11,743,175.49 = 5,558,823.46/x - Step 3: Cross multiply
7,840,214.38x = 11,743,175.49 × 5,558,823.46 - Step 4: Simplify right side
7,840,214.38x = 65,278,239,408,709 - Step 5: Solve for x
x = 65,278,239,408,709/7,840,214.38 - Step 6: Final answer
x = 8,326,078.38
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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.