Home / 8,685,387.22-13,028,174.37-2,620,171.49

Finding the Fourth Proportional to 8,685,387.22, 13,028,174.37 and 2,620,171.49

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Solution

The fourth proportional to 8,685,387.22, 13,028,174.37 and 2,620,171.49 is: 3,930,285.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685,387.22 : 13,028,174.37 = 2,620,171.49 : x
  2. Step 2: Convert to fraction form
    8,685,387.22/13,028,174.37 = 2,620,171.49/x
  3. Step 3: Cross multiply
    8,685,387.22x = 13,028,174.37 × 2,620,171.49
  4. Step 4: Simplify right side
    8,685,387.22x = 34,136,051,004,175.20
  5. Step 5: Solve for x
    x = 34,136,051,004,175.20/8,685,387.22
  6. Step 6: Final answer
    x = 3,930,285.45

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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.