Home / 13,383,137.30-18,468,665.19-7,581,905.30

Finding the Fourth Proportional to 13,383,137.30, 18,468,665.19 and 7,581,905.30

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Solution

The fourth proportional to 13,383,137.30, 18,468,665.19 and 7,581,905.30 is: 10,462,992.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,383,137.30 : 18,468,665.19 = 7,581,905.30 : x
  2. Step 2: Convert to fraction form
    13,383,137.30/18,468,665.19 = 7,581,905.30/x
  3. Step 3: Cross multiply
    13,383,137.30x = 18,468,665.19 × 7,581,905.30
  4. Step 4: Simplify right side
    13,383,137.30x = 140,027,670,487,986.52
  5. Step 5: Solve for x
    x = 140,027,670,487,986.52/13,383,137.30
  6. Step 6: Final answer
    x = 10,462,992.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.