Finding the Fourth Proportional to 8,118,514.92, 11,203,564.14 and 4,447,351.44
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Solution
The fourth proportional to 8,118,514.92, 11,203,564.14 and 4,447,351.44 is: 6,137,352.41
Step by Step Solution
- Step 1: Write the proportion equation
8,118,514.92 : 11,203,564.14 = 4,447,351.44 : x - Step 2: Convert to fraction form
8,118,514.92/11,203,564.14 = 4,447,351.44/x - Step 3: Cross multiply
8,118,514.92x = 11,203,564.14 × 4,447,351.44 - Step 4: Simplify right side
8,118,514.92x = 49,826,187,111,161.37 - Step 5: Solve for x
x = 49,826,187,111,161.37/8,118,514.92 - Step 6: Final answer
x = 6,137,352.41
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.