Home / 20,535,174.16-28,340,114.34-11,714,819.56

Finding the Fourth Proportional to 20,535,174.16, 28,340,114.34 and 11,714,819.56

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Solution

The fourth proportional to 20,535,174.16, 28,340,114.34 and 11,714,819.56 is: 16,167,348.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,535,174.16 : 28,340,114.34 = 11,714,819.56 : x
  2. Step 2: Convert to fraction form
    20,535,174.16/28,340,114.34 = 11,714,819.56/x
  3. Step 3: Cross multiply
    20,535,174.16x = 28,340,114.34 × 11,714,819.56
  4. Step 4: Simplify right side
    20,535,174.16x = 331,999,325,802,868.50
  5. Step 5: Solve for x
    x = 331,999,325,802,868.50/20,535,174.16
  6. Step 6: Final answer
    x = 16,167,348.92

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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.