Home / 18,255,281.58-27,388,652.31-10,977,120.54

Finding the Fourth Proportional to 18,255,281.58, 27,388,652.31 and 10,977,120.54

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Solution

The fourth proportional to 18,255,281.58, 27,388,652.31 and 10,977,120.54 is: 16,469,126.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255,281.58 : 27,388,652.31 = 10,977,120.54 : x
  2. Step 2: Convert to fraction form
    18,255,281.58/27,388,652.31 = 10,977,120.54/x
  3. Step 3: Cross multiply
    18,255,281.58x = 27,388,652.31 × 10,977,120.54
  4. Step 4: Simplify right side
    18,255,281.58x = 300,648,537,835,019.44
  5. Step 5: Solve for x
    x = 300,648,537,835,019.44/18,255,281.58
  6. Step 6: Final answer
    x = 16,469,126.29

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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.