Home / 20,724,022.70-31,086,034.06-11,766,070.70

Finding the Fourth Proportional to 20,724,022.70, 31,086,034.06 and 11,766,070.70

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Solution

The fourth proportional to 20,724,022.70, 31,086,034.06 and 11,766,070.70 is: 17,649,106.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,724,022.70 : 31,086,034.06 = 11,766,070.70 : x
  2. Step 2: Convert to fraction form
    20,724,022.70/31,086,034.06 = 11,766,070.70/x
  3. Step 3: Cross multiply
    20,724,022.70x = 31,086,034.06 × 11,766,070.70
  4. Step 4: Simplify right side
    20,724,022.70x = 365,760,474,532,568
  5. Step 5: Solve for x
    x = 365,760,474,532,568/20,724,022.70
  6. Step 6: Final answer
    x = 17,649,106.06

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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.