Finding the Fourth Proportional to 9,414,643.20, 14,121,964.80 and 2,591,203.20
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Solution
The fourth proportional to 9,414,643.20, 14,121,964.80 and 2,591,203.20 is: 3,886,804.80
Step by Step Solution
- Step 1: Write the proportion equation
9,414,643.20 : 14,121,964.80 = 2,591,203.20 : x - Step 2: Convert to fraction form
9,414,643.20/14,121,964.80 = 2,591,203.20/x - Step 3: Cross multiply
9,414,643.20x = 14,121,964.80 × 2,591,203.20 - Step 4: Simplify right side
9,414,643.20x = 36,592,880,380,047.37 - Step 5: Solve for x
x = 36,592,880,380,047.37/9,414,643.20 - Step 6: Final answer
x = 3,886,804.80
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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.