Home / 21,617,855.30-32,408,469.56-9,478,119.02

Finding the Fourth Proportional to 21,617,855.30, 32,408,469.56 and 9,478,119.02

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Solution

The fourth proportional to 21,617,855.30, 32,408,469.56 and 9,478,119.02 is: 14,209,149.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,617,855.30 : 32,408,469.56 = 9,478,119.02 : x
  2. Step 2: Convert to fraction form
    21,617,855.30/32,408,469.56 = 9,478,119.02/x
  3. Step 3: Cross multiply
    21,617,855.30x = 32,408,469.56 × 9,478,119.02
  4. Step 4: Simplify right side
    21,617,855.30x = 307,171,331,607,380
  5. Step 5: Solve for x
    x = 307,171,331,607,380/21,617,855.30
  6. Step 6: Final answer
    x = 14,209,149.21

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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.