Finding the Fourth Proportional to 7,894,789.20, 11,846,907.71 and 7,252,336.08
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Solution
The fourth proportional to 7,894,789.20, 11,846,907.71 and 7,252,336.08 is: 10,882,843.61
Step by Step Solution
- Step 1: Write the proportion equation
7,894,789.20 : 11,846,907.71 = 7,252,336.08 : x - Step 2: Convert to fraction form
7,894,789.20/11,846,907.71 = 7,252,336.08/x - Step 3: Cross multiply
7,894,789.20x = 11,846,907.71 × 7,252,336.08 - Step 4: Simplify right side
7,894,789.20x = 85,917,756,221,663.19 - Step 5: Solve for x
x = 85,917,756,221,663.19/7,894,789.20 - Step 6: Final answer
x = 10,882,843.61
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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.