Home / 21,289,629.28-29,379,700.56-11,500,073.44

Finding the Fourth Proportional to 21,289,629.28, 29,379,700.56 and 11,500,073.44

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Solution

The fourth proportional to 21,289,629.28, 29,379,700.56 and 11,500,073.44 is: 15,870,107.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,289,629.28 : 29,379,700.56 = 11,500,073.44 : x
  2. Step 2: Convert to fraction form
    21,289,629.28/29,379,700.56 = 11,500,073.44/x
  3. Step 3: Cross multiply
    21,289,629.28x = 29,379,700.56 × 11,500,073.44
  4. Step 4: Simplify right side
    21,289,629.28x = 337,868,714,085,209.12
  5. Step 5: Solve for x
    x = 337,868,714,085,209.12/21,289,629.28
  6. Step 6: Final answer
    x = 15,870,107.91

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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.