Finding the Fourth Proportional to 25,523,213.12, 35,221,174.56 and 15,204,591.68
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Solution
The fourth proportional to 25,523,213.12, 35,221,174.56 and 15,204,591.68 is: 20,981,824.47
Step by Step Solution
- Step 1: Write the proportion equation
25,523,213.12 : 35,221,174.56 = 15,204,591.68 : x - Step 2: Convert to fraction form
25,523,213.12/35,221,174.56 = 15,204,591.68/x - Step 3: Cross multiply
25,523,213.12x = 35,221,174.56 × 15,204,591.68 - Step 4: Simplify right side
25,523,213.12x = 535,523,577,674,803.69 - Step 5: Solve for x
x = 535,523,577,674,803.69/25,523,213.12 - Step 6: Final answer
x = 20,981,824.47
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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.