Finding the Fourth Proportional to 11,026,636.92, 15,214,529.07 and 6,442,072.56
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Solution
The fourth proportional to 11,026,636.92, 15,214,529.07 and 6,442,072.56 is: 8,888,757.37
Step by Step Solution
- Step 1: Write the proportion equation
11,026,636.92 : 15,214,529.07 = 6,442,072.56 : x - Step 2: Convert to fraction form
11,026,636.92/15,214,529.07 = 6,442,072.56/x - Step 3: Cross multiply
11,026,636.92x = 15,214,529.07 × 6,442,072.56 - Step 4: Simplify right side
11,026,636.92x = 98,013,100,235,169.31 - Step 5: Solve for x
x = 98,013,100,235,169.31/11,026,636.92 - Step 6: Final answer
x = 8,888,757.37
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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.