Finding the Fourth Proportional to 7,949,246.40, 11,923,869.60 and 2,268,732.60
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Solution
The fourth proportional to 7,949,246.40, 11,923,869.60 and 2,268,732.60 is: 3,403,098.90
Step by Step Solution
- Step 1: Write the proportion equation
7,949,246.40 : 11,923,869.60 = 2,268,732.60 : x - Step 2: Convert to fraction form
7,949,246.40/11,923,869.60 = 2,268,732.60/x - Step 3: Cross multiply
7,949,246.40x = 11,923,869.60 × 2,268,732.60 - Step 4: Simplify right side
7,949,246.40x = 27,052,071,679,668.96 - Step 5: Solve for x
x = 27,052,071,679,668.96/7,949,246.40 - Step 6: Final answer
x = 3,403,098.90
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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.