Finding the Fourth Proportional to 11,491,528.12, 15,858,415.78 and 6,335,074.19
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Solution
The fourth proportional to 11,491,528.12, 15,858,415.78 and 6,335,074.19 is: 8,742,461.36
Step by Step Solution
- Step 1: Write the proportion equation
11,491,528.12 : 15,858,415.78 = 6,335,074.19 : x - Step 2: Convert to fraction form
11,491,528.12/15,858,415.78 = 6,335,074.19/x - Step 3: Cross multiply
11,491,528.12x = 15,858,415.78 × 6,335,074.19 - Step 4: Simplify right side
11,491,528.12x = 100,464,240,525,975.06 - Step 5: Solve for x
x = 100,464,240,525,975.06/11,491,528.12 - Step 6: Final answer
x = 8,742,461.36
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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.