Finding the Fourth Proportional to 18,397,109.85, 27,599,703.98 and 5,442,246.33
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Solution
The fourth proportional to 18,397,109.85, 27,599,703.98 and 5,442,246.33 is: 8,164,564.37
Step by Step Solution
- Step 1: Write the proportion equation
18,397,109.85 : 27,599,703.98 = 5,442,246.33 : x - Step 2: Convert to fraction form
18,397,109.85/27,599,703.98 = 5,442,246.33/x - Step 3: Cross multiply
18,397,109.85x = 27,599,703.98 × 5,442,246.33 - Step 4: Simplify right side
18,397,109.85x = 150,204,387,667,030.19 - Step 5: Solve for x
x = 150,204,387,667,030.19/18,397,109.85 - Step 6: Final answer
x = 8,164,564.37
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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.