Home / 20,195,174.20-30,283,430.10-8,829,772.60

Finding the Fourth Proportional to 20,195,174.20, 30,283,430.10 and 8,829,772.60

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Solution

The fourth proportional to 20,195,174.20, 30,283,430.10 and 8,829,772.60 is: 13,240,579.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195,174.20 : 30,283,430.10 = 8,829,772.60 : x
  2. Step 2: Convert to fraction form
    20,195,174.20/30,283,430.10 = 8,829,772.60/x
  3. Step 3: Cross multiply
    20,195,174.20x = 30,283,430.10 × 8,829,772.60
  4. Step 4: Simplify right side
    20,195,174.20x = 267,395,801,330,995.25
  5. Step 5: Solve for x
    x = 267,395,801,330,995.25/20,195,174.20
  6. Step 6: Final answer
    x = 13,240,579.09

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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.