Finding the Fourth Proportional to 18,380,867.69, 27,563,329.92 and 6,247,073.23
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Solution
The fourth proportional to 18,380,867.69, 27,563,329.92 and 6,247,073.23 is: 9,367,900.54
Step by Step Solution
- Step 1: Write the proportion equation
18,380,867.69 : 27,563,329.92 = 6,247,073.23 : x - Step 2: Convert to fraction form
18,380,867.69/27,563,329.92 = 6,247,073.23/x - Step 3: Cross multiply
18,380,867.69x = 27,563,329.92 × 6,247,073.23 - Step 4: Simplify right side
18,380,867.69x = 172,190,140,427,408.22 - Step 5: Solve for x
x = 172,190,140,427,408.22/18,380,867.69 - Step 6: Final answer
x = 9,367,900.54
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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.