Home / 20,738,221.60-31,052,900.40-14,640,023.20

Finding the Fourth Proportional to 20,738,221.60, 31,052,900.40 and 14,640,023.20

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Solution

The fourth proportional to 20,738,221.60, 31,052,900.40 and 14,640,023.20 is: 21,921,608.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,738,221.60 : 31,052,900.40 = 14,640,023.20 : x
  2. Step 2: Convert to fraction form
    20,738,221.60/31,052,900.40 = 14,640,023.20/x
  3. Step 3: Cross multiply
    20,738,221.60x = 31,052,900.40 × 14,640,023.20
  4. Step 4: Simplify right side
    20,738,221.60x = 454,615,182,283,289.25
  5. Step 5: Solve for x
    x = 454,615,182,283,289.25/20,738,221.60
  6. Step 6: Final answer
    x = 21,921,608.86

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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.