Finding the Fourth Proportional to 13,835,128.97, 20,736,182.75 and 6,439,224.26
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Solution
The fourth proportional to 13,835,128.97, 20,736,182.75 and 6,439,224.26 is: 9,651,151.88
Step by Step Solution
- Step 1: Write the proportion equation
13,835,128.97 : 20,736,182.75 = 6,439,224.26 : x - Step 2: Convert to fraction form
13,835,128.97/20,736,182.75 = 6,439,224.26/x - Step 3: Cross multiply
13,835,128.97x = 20,736,182.75 × 6,439,224.26 - Step 4: Simplify right side
13,835,128.97x = 133,524,930,887,716.48 - Step 5: Solve for x
x = 133,524,930,887,716.48/13,835,128.97 - Step 6: Final answer
x = 9,651,151.88
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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.