Finding the Fourth Proportional to 11,157,285.76, 15,396,210.10 and 6,261,561.99
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Solution
The fourth proportional to 11,157,285.76, 15,396,210.10 and 6,261,561.99 is: 8,640,481.75
Step by Step Solution
- Step 1: Write the proportion equation
11,157,285.76 : 15,396,210.10 = 6,261,561.99 : x - Step 2: Convert to fraction form
11,157,285.76/15,396,210.10 = 6,261,561.99/x - Step 3: Cross multiply
11,157,285.76x = 15,396,210.10 × 6,261,561.99 - Step 4: Simplify right side
11,157,285.76x = 96,404,323,952,214.09 - Step 5: Solve for x
x = 96,404,323,952,214.09/11,157,285.76 - Step 6: Final answer
x = 8,640,481.75
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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.