Finding the Fourth Proportional to 12,640,283.44, 17,444,086.17 and 7,133,850.65
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Solution
The fourth proportional to 12,640,283.44, 17,444,086.17 and 7,133,850.65 is: 9,844,993.28
Step by Step Solution
- Step 1: Write the proportion equation
12,640,283.44 : 17,444,086.17 = 7,133,850.65 : x - Step 2: Convert to fraction form
12,640,283.44/17,444,086.17 = 7,133,850.65/x - Step 3: Cross multiply
12,640,283.44x = 17,444,086.17 × 7,133,850.65 - Step 4: Simplify right side
12,640,283.44x = 124,443,505,465,692.83 - Step 5: Solve for x
x = 124,443,505,465,692.83/12,640,283.44 - Step 6: Final answer
x = 9,844,993.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.