Finding the Fourth Proportional to 18,189,506.48, 27,260,565.60 and 7,394,197.46
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Solution
The fourth proportional to 18,189,506.48, 27,260,565.60 and 7,394,197.46 is: 11,081,664.32
Step by Step Solution
- Step 1: Write the proportion equation
18,189,506.48 : 27,260,565.60 = 7,394,197.46 : x - Step 2: Convert to fraction form
18,189,506.48/27,260,565.60 = 7,394,197.46/x - Step 3: Cross multiply
18,189,506.48x = 27,260,565.60 × 7,394,197.46 - Step 4: Simplify right side
18,189,506.48x = 201,570,004,917,683.38 - Step 5: Solve for x
x = 201,570,004,917,683.38/18,189,506.48 - Step 6: Final answer
x = 11,081,664.32
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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.