Finding the Fourth Proportional to 27,842,523.02, 38,422,943.97 and 15,619,642.46
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Solution
The fourth proportional to 27,842,523.02, 38,422,943.97 and 15,619,642.46 is: 21,555,253.69
Step by Step Solution
- Step 1: Write the proportion equation
27,842,523.02 : 38,422,943.97 = 15,619,642.46 : x - Step 2: Convert to fraction form
27,842,523.02/38,422,943.97 = 15,619,642.46/x - Step 3: Cross multiply
27,842,523.02x = 38,422,943.97 × 15,619,642.46 - Step 4: Simplify right side
27,842,523.02x = 600,152,647,072,013 - Step 5: Solve for x
x = 600,152,647,072,013/27,842,523.02 - Step 6: Final answer
x = 21,555,253.69
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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.