Home / 13,383,291.20-20,074,936.80-9,632,148.80

Finding the Fourth Proportional to 13,383,291.20, 20,074,936.80 and 9,632,148.80

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Solution

The fourth proportional to 13,383,291.20, 20,074,936.80 and 9,632,148.80 is: 14,448,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383,291.20 : 20,074,936.80 = 9,632,148.80 : x
  2. Step 2: Convert to fraction form
    13,383,291.20/20,074,936.80 = 9,632,148.80/x
  3. Step 3: Cross multiply
    13,383,291.20x = 20,074,936.80 × 9,632,148.80
  4. Step 4: Simplify right side
    13,383,291.20x = 193,364,778,408,195.88
  5. Step 5: Solve for x
    x = 193,364,778,408,195.88/13,383,291.20
  6. Step 6: Final answer
    x = 14,448,223.20

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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.