Finding the Fourth Proportional to 11,155,971.51, 15,394,593.92 and 6,260,736.51
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Solution
The fourth proportional to 11,155,971.51, 15,394,593.92 and 6,260,736.51 is: 8,639,453.42
Step by Step Solution
- Step 1: Write the proportion equation
11,155,971.51 : 15,394,593.92 = 6,260,736.51 : x - Step 2: Convert to fraction form
11,155,971.51/15,394,593.92 = 6,260,736.51/x - Step 3: Cross multiply
11,155,971.51x = 15,394,593.92 × 6,260,736.51 - Step 4: Simplify right side
11,155,971.51x = 96,381,496,180,264.33 - Step 5: Solve for x
x = 96,381,496,180,264.33/11,155,971.51 - Step 6: Final answer
x = 8,639,453.42
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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.