Finding the Fourth Proportional to 7,393,622.40, 11,091,491.56 and 2,276,485.28
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Solution
The fourth proportional to 7,393,622.40, 11,091,491.56 and 2,276,485.28 is: 3,415,053.66
Step by Step Solution
- Step 1: Write the proportion equation
7,393,622.40 : 11,091,491.56 = 2,276,485.28 : x - Step 2: Convert to fraction form
7,393,622.40/11,091,491.56 = 2,276,485.28/x - Step 3: Cross multiply
7,393,622.40x = 11,091,491.56 × 2,276,485.28 - Step 4: Simplify right side
7,393,622.40x = 25,249,617,269,584.23 - Step 5: Solve for x
x = 25,249,617,269,584.23/7,393,622.40 - Step 6: Final answer
x = 3,415,053.66
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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.