Finding the Fourth Proportional to 8,190,034.28, 11,302,483.82 and 4,519,187.31
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Solution
The fourth proportional to 8,190,034.28, 11,302,483.82 and 4,519,187.31 is: 6,236,608.99
Step by Step Solution
- Step 1: Write the proportion equation
8,190,034.28 : 11,302,483.82 = 4,519,187.31 : x - Step 2: Convert to fraction form
8,190,034.28/11,302,483.82 = 4,519,187.31/x - Step 3: Cross multiply
8,190,034.28x = 11,302,483.82 × 4,519,187.31 - Step 4: Simplify right side
8,190,034.28x = 51,078,041,450,824.32 - Step 5: Solve for x
x = 51,078,041,450,824.32/8,190,034.28 - Step 6: Final answer
x = 6,236,608.99
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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.