Finding the Fourth Proportional to 21,366,500.76, 29,485,729.49 and 11,577,209.99
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Solution
The fourth proportional to 21,366,500.76, 29,485,729.49 and 11,577,209.99 is: 15,976,527.26
Step by Step Solution
- Step 1: Write the proportion equation
21,366,500.76 : 29,485,729.49 = 11,577,209.99 : x - Step 2: Convert to fraction form
21,366,500.76/29,485,729.49 = 11,577,209.99/x - Step 3: Cross multiply
21,366,500.76x = 29,485,729.49 × 11,577,209.99 - Step 4: Simplify right side
21,366,500.76x = 341,362,481,808,750.88 - Step 5: Solve for x
x = 341,362,481,808,750.88/21,366,500.76 - Step 6: Final answer
x = 15,976,527.26
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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.