Finding the Fourth Proportional to 8,469,758.46, 11,688,340.68 and 4,602,279.54
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Solution
The fourth proportional to 8,469,758.46, 11,688,340.68 and 4,602,279.54 is: 6,351,185.98
Step by Step Solution
- Step 1: Write the proportion equation
8,469,758.46 : 11,688,340.68 = 4,602,279.54 : x - Step 2: Convert to fraction form
8,469,758.46/11,688,340.68 = 4,602,279.54/x - Step 3: Cross multiply
8,469,758.46x = 11,688,340.68 × 4,602,279.54 - Step 4: Simplify right side
8,469,758.46x = 53,793,011,168,113.69 - Step 5: Solve for x
x = 53,793,011,168,113.69/8,469,758.46 - Step 6: Final answer
x = 6,351,185.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.