Finding the Fourth Proportional to 11,434,905.37, 15,780,196.44 and 6,278,599.07
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Solution
The fourth proportional to 11,434,905.37, 15,780,196.44 and 6,278,599.07 is: 8,664,481.56
Step by Step Solution
- Step 1: Write the proportion equation
11,434,905.37 : 15,780,196.44 = 6,278,599.07 : x - Step 2: Convert to fraction form
11,434,905.37/15,780,196.44 = 6,278,599.07/x - Step 3: Cross multiply
11,434,905.37x = 15,780,196.44 × 6,278,599.07 - Step 4: Simplify right side
11,434,905.37x = 99,077,526,672,876.06 - Step 5: Solve for x
x = 99,077,526,672,876.06/11,434,905.37 - Step 6: Final answer
x = 8,664,481.56
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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.