Home / 13,285,506.45-19,928,259.68-11,605,890.45

Finding the Fourth Proportional to 13,285,506.45, 19,928,259.68 and 11,605,890.45

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Solution

The fourth proportional to 13,285,506.45, 19,928,259.68 and 11,605,890.45 is: 17,408,835.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,506.45 : 19,928,259.68 = 11,605,890.45 : x
  2. Step 2: Convert to fraction form
    13,285,506.45/19,928,259.68 = 11,605,890.45/x
  3. Step 3: Cross multiply
    13,285,506.45x = 19,928,259.68 × 11,605,890.45
  4. Step 4: Simplify right side
    13,285,506.45x = 231,285,198,647,202.59
  5. Step 5: Solve for x
    x = 231,285,198,647,202.59/13,285,506.45
  6. Step 6: Final answer
    x = 17,408,835.68

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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.