Finding the Fourth Proportional to 11,240,450.97, 15,510,171.37 and 6,278,280.86
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Solution
The fourth proportional to 11,240,450.97, 15,510,171.37 and 6,278,280.86 is: 8,663,105.45
Step by Step Solution
- Step 1: Write the proportion equation
11,240,450.97 : 15,510,171.37 = 6,278,280.86 : x - Step 2: Convert to fraction form
11,240,450.97/15,510,171.37 = 6,278,280.86/x - Step 3: Cross multiply
11,240,450.97x = 15,510,171.37 × 6,278,280.86 - Step 4: Simplify right side
11,240,450.97x = 97,377,212,012,971.39 - Step 5: Solve for x
x = 97,377,212,012,971.39/11,240,450.97 - Step 6: Final answer
x = 8,663,105.45
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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.