Finding the Fourth Proportional to 11,491,645.14, 15,858,518.31 and 6,334,893.54
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Solution
The fourth proportional to 11,491,645.14, 15,858,518.31 and 6,334,893.54 is: 8,742,179.55
Step by Step Solution
- Step 1: Write the proportion equation
11,491,645.14 : 15,858,518.31 = 6,334,893.54 : x - Step 2: Convert to fraction form
11,491,645.14/15,858,518.31 = 6,334,893.54/x - Step 3: Cross multiply
11,491,645.14x = 15,858,518.31 × 6,334,893.54 - Step 4: Simplify right side
11,491,645.14x = 100,462,025,195,990.72 - Step 5: Solve for x
x = 100,462,025,195,990.72/11,491,645.14 - Step 6: Final answer
x = 8,742,179.55
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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.