Finding the Fourth Proportional to 10,980,604.70, 16,470,907.05 and 8,146,252.70
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Solution
The fourth proportional to 10,980,604.70, 16,470,907.05 and 8,146,252.70 is: 12,219,379.05
Step by Step Solution
- Step 1: Write the proportion equation
10,980,604.70 : 16,470,907.05 = 8,146,252.70 : x - Step 2: Convert to fraction form
10,980,604.70/16,470,907.05 = 8,146,252.70/x - Step 3: Cross multiply
10,980,604.70x = 16,470,907.05 × 8,146,252.70 - Step 4: Simplify right side
10,980,604.70x = 134,176,171,027,511.55 - Step 5: Solve for x
x = 134,176,171,027,511.55/10,980,604.70 - Step 6: Final answer
x = 12,219,379.05
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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.