Home / 21,332,055.78-29,438,155.62-11,542,518.90

Finding the Fourth Proportional to 21,332,055.78, 29,438,155.62 and 11,542,518.90

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Solution

The fourth proportional to 21,332,055.78, 29,438,155.62 and 11,542,518.90 is: 15,928,632.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,332,055.78 : 29,438,155.62 = 11,542,518.90 : x
  2. Step 2: Convert to fraction form
    21,332,055.78/29,438,155.62 = 11,542,518.90/x
  3. Step 3: Cross multiply
    21,332,055.78x = 29,438,155.62 × 11,542,518.90
  4. Step 4: Simplify right side
    21,332,055.78x = 339,790,467,624,991.25
  5. Step 5: Solve for x
    x = 339,790,467,624,991.25/21,332,055.78
  6. Step 6: Final answer
    x = 15,928,632.06

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1.5x scale

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.