Home / 19,783,900.91-27,303,297.87-12,448,022.21

Finding the Fourth Proportional to 19,783,900.91, 27,303,297.87 and 12,448,022.21

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Solution

The fourth proportional to 19,783,900.91, 27,303,297.87 and 12,448,022.21 is: 17,179,223.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,783,900.91 : 27,303,297.87 = 12,448,022.21 : x
  2. Step 2: Convert to fraction form
    19,783,900.91/27,303,297.87 = 12,448,022.21/x
  3. Step 3: Cross multiply
    19,783,900.91x = 27,303,297.87 × 12,448,022.21
  4. Step 4: Simplify right side
    19,783,900.91x = 339,872,058,248,455.94
  5. Step 5: Solve for x
    x = 339,872,058,248,455.94/19,783,900.91
  6. Step 6: Final answer
    x = 17,179,223.64

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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.