Home / 18,312,491.22-25,272,515.18-12,106,756

Finding the Fourth Proportional to 18,312,491.22, 25,272,515.18 and 12,106,756

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Solution

The fourth proportional to 18,312,491.22, 25,272,515.18 and 12,106,756 is: 16,708,167.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,312,491.22 : 25,272,515.18 = 12,106,756 : x
  2. Step 2: Convert to fraction form
    18,312,491.22/25,272,515.18 = 12,106,756/x
  3. Step 3: Cross multiply
    18,312,491.22x = 25,272,515.18 × 12,106,756
  4. Step 4: Simplify right side
    18,312,491.22x = 305,968,174,790,556.06
  5. Step 5: Solve for x
    x = 305,968,174,790,556.06/18,312,491.22
  6. Step 6: Final answer
    x = 16,708,167.73

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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.