Home / 20,898,817.14-28,840,754.19-11,607,247.86

Finding the Fourth Proportional to 20,898,817.14, 28,840,754.19 and 11,607,247.86

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Solution

The fourth proportional to 20,898,817.14, 28,840,754.19 and 11,607,247.86 is: 16,018,216.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,898,817.14 : 28,840,754.19 = 11,607,247.86 : x
  2. Step 2: Convert to fraction form
    20,898,817.14/28,840,754.19 = 11,607,247.86/x
  3. Step 3: Cross multiply
    20,898,817.14x = 28,840,754.19 × 11,607,247.86
  4. Step 4: Simplify right side
    20,898,817.14x = 334,761,782,288,037.88
  5. Step 5: Solve for x
    x = 334,761,782,288,037.88/20,898,817.14
  6. Step 6: Final answer
    x = 16,018,216.73

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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.