Home / 21,339,579.36-29,448,617.44-11,550,021.92

Finding the Fourth Proportional to 21,339,579.36, 29,448,617.44 and 11,550,021.92

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Solution

The fourth proportional to 21,339,579.36, 29,448,617.44 and 11,550,021.92 is: 15,939,029.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,339,579.36 : 29,448,617.44 = 11,550,021.92 : x
  2. Step 2: Convert to fraction form
    21,339,579.36/29,448,617.44 = 11,550,021.92/x
  3. Step 3: Cross multiply
    21,339,579.36x = 29,448,617.44 × 11,550,021.92
  4. Step 4: Simplify right side
    21,339,579.36x = 340,132,176,945,694.31
  5. Step 5: Solve for x
    x = 340,132,176,945,694.31/21,339,579.36
  6. Step 6: Final answer
    x = 15,939,029.13

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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.