Finding the Fourth Proportional to 22,471,560.75, 31,001,930.49 and 13,050,748.04
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Solution
The fourth proportional to 22,471,560.75, 31,001,930.49 and 13,050,748.04 is: 18,004,907.98
Step by Step Solution
- Step 1: Write the proportion equation
22,471,560.75 : 31,001,930.49 = 13,050,748.04 : x - Step 2: Convert to fraction form
22,471,560.75/31,001,930.49 = 13,050,748.04/x - Step 3: Cross multiply
22,471,560.75x = 31,001,930.49 × 13,050,748.04 - Step 4: Simplify right side
22,471,560.75x = 404,598,383,423,574.06 - Step 5: Solve for x
x = 404,598,383,423,574.06/22,471,560.75 - Step 6: Final answer
x = 18,004,907.98
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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.