Finding the Fourth Proportional to 8,761,267.44, 13,109,928.84 and 5,168,755.44
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Solution
The fourth proportional to 8,761,267.44, 13,109,928.84 and 5,168,755.44 is: 7,734,270.92
Step by Step Solution
- Step 1: Write the proportion equation
8,761,267.44 : 13,109,928.84 = 5,168,755.44 : x - Step 2: Convert to fraction form
8,761,267.44/13,109,928.84 = 5,168,755.44/x - Step 3: Cross multiply
8,761,267.44x = 13,109,928.84 × 5,168,755.44 - Step 4: Simplify right side
8,761,267.44x = 67,762,016,009,762.89 - Step 5: Solve for x
x = 67,762,016,009,762.89/8,761,267.44 - Step 6: Final answer
x = 7,734,270.92
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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.