Finding the Fourth Proportional to 6,664,235.05, 9,981,405.79 and 6,664,235.05
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Solution
The fourth proportional to 6,664,235.05, 9,981,405.79 and 6,664,235.05 is: 9,981,405.79
Step by Step Solution
- Step 1: Write the proportion equation
6,664,235.05 : 9,981,405.79 = 6,664,235.05 : x - Step 2: Convert to fraction form
6,664,235.05/9,981,405.79 = 6,664,235.05/x - Step 3: Cross multiply
6,664,235.05x = 9,981,405.79 × 6,664,235.05 - Step 4: Simplify right side
6,664,235.05x = 66,518,434,272,376.84 - Step 5: Solve for x
x = 66,518,434,272,376.84/6,664,235.05 - Step 6: Final answer
x = 9,981,405.79
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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.