Finding the Fourth Proportional to 7,667,585.62, 11,498,880.76 and 2,548,640.80
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Solution
The fourth proportional to 7,667,585.62, 11,498,880.76 and 2,548,640.80 is: 3,822,131.00
Step by Step Solution
- Step 1: Write the proportion equation
7,667,585.62 : 11,498,880.76 = 2,548,640.80 : x - Step 2: Convert to fraction form
7,667,585.62/11,498,880.76 = 2,548,640.80/x - Step 3: Cross multiply
7,667,585.62x = 11,498,880.76 × 2,548,640.80 - Step 4: Simplify right side
7,667,585.62x = 29,306,516,667,273.01 - Step 5: Solve for x
x = 29,306,516,667,273.01/7,667,585.62 - Step 6: Final answer
x = 3,822,131.00
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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.