Home / 13,617,846.88-18,792,063.24-7,422,757.28

Finding the Fourth Proportional to 13,617,846.88, 18,792,063.24 and 7,422,757.28

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Solution

The fourth proportional to 13,617,846.88, 18,792,063.24 and 7,422,757.28 is: 10,243,096.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617,846.88 : 18,792,063.24 = 7,422,757.28 : x
  2. Step 2: Convert to fraction form
    13,617,846.88/18,792,063.24 = 7,422,757.28/x
  3. Step 3: Cross multiply
    13,617,846.88x = 18,792,063.24 × 7,422,757.28
  4. Step 4: Simplify right side
    13,617,846.88x = 139,488,924,220,930.38
  5. Step 5: Solve for x
    x = 139,488,924,220,930.38/13,617,846.88
  6. Step 6: Final answer
    x = 10,243,096.83

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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.