Finding the Fourth Proportional to 11,621,437.48, 17,434,955.10 and 3,643,261.48
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Solution
The fourth proportional to 11,621,437.48, 17,434,955.10 and 3,643,261.48 is: 5,465,769.65
Step by Step Solution
- Step 1: Write the proportion equation
11,621,437.48 : 17,434,955.10 = 3,643,261.48 : x - Step 2: Convert to fraction form
11,621,437.48/17,434,955.10 = 3,643,261.48/x - Step 3: Cross multiply
11,621,437.48x = 17,434,955.10 × 3,643,261.48 - Step 4: Simplify right side
11,621,437.48x = 63,520,100,321,359.55 - Step 5: Solve for x
x = 63,520,100,321,359.55/11,621,437.48 - Step 6: Final answer
x = 5,465,769.65
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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.