Home / 28,800,708.92-43,201,104.96-11,761,381.86

Finding the Fourth Proportional to 28,800,708.92, 43,201,104.96 and 11,761,381.86

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Solution

The fourth proportional to 28,800,708.92, 43,201,104.96 and 11,761,381.86 is: 17,642,089.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,800,708.92 : 43,201,104.96 = 11,761,381.86 : x
  2. Step 2: Convert to fraction form
    28,800,708.92/43,201,104.96 = 11,761,381.86/x
  3. Step 3: Cross multiply
    28,800,708.92x = 43,201,104.96 × 11,761,381.86
  4. Step 4: Simplify right side
    28,800,708.92x = 508,104,691,933,687.56
  5. Step 5: Solve for x
    x = 508,104,691,933,687.56/28,800,708.92
  6. Step 6: Final answer
    x = 17,642,089.76

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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.