Finding the Fourth Proportional to 13,159,797.20, 19,716,076.20 and 11,270,229.20
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Solution
The fourth proportional to 13,159,797.20, 19,716,076.20 and 11,270,229.20 is: 16,885,115.65
Step by Step Solution
- Step 1: Write the proportion equation
13,159,797.20 : 19,716,076.20 = 11,270,229.20 : x - Step 2: Convert to fraction form
13,159,797.20/19,716,076.20 = 11,270,229.20/x - Step 3: Cross multiply
13,159,797.20x = 19,716,076.20 × 11,270,229.20 - Step 4: Simplify right side
13,159,797.20x = 222,204,697,698,665.03 - Step 5: Solve for x
x = 222,204,697,698,665.03/13,159,797.20 - Step 6: Final answer
x = 16,885,115.65
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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.