Home / 17,620,004.80-26,395,015.20-15,515,819.20

Finding the Fourth Proportional to 17,620,004.80, 26,395,015.20 and 15,515,819.20

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Solution

The fourth proportional to 17,620,004.80, 26,395,015.20 and 15,515,819.20 is: 23,242,915.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,620,004.80 : 26,395,015.20 = 15,515,819.20 : x
  2. Step 2: Convert to fraction form
    17,620,004.80/26,395,015.20 = 15,515,819.20/x
  3. Step 3: Cross multiply
    17,620,004.80x = 26,395,015.20 × 15,515,819.20
  4. Step 4: Simplify right side
    17,620,004.80x = 409,540,283,624,451.81
  5. Step 5: Solve for x
    x = 409,540,283,624,451.81/17,620,004.80
  6. Step 6: Final answer
    x = 23,242,915.55

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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.