Finding the Fourth Proportional to 11,426,620.37, 17,129,841.26 and 8,742,926.36
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Solution
The fourth proportional to 11,426,620.37, 17,129,841.26 and 8,742,926.36 is: 13,106,669.85
Step by Step Solution
- Step 1: Write the proportion equation
11,426,620.37 : 17,129,841.26 = 8,742,926.36 : x - Step 2: Convert to fraction form
11,426,620.37/17,129,841.26 = 8,742,926.36/x - Step 3: Cross multiply
11,426,620.37x = 17,129,841.26 × 8,742,926.36 - Step 4: Simplify right side
11,426,620.37x = 149,764,940,676,466.97 - Step 5: Solve for x
x = 149,764,940,676,466.97/11,426,620.37 - Step 6: Final answer
x = 13,106,669.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.