Home / 19,928,320.20-29,892,480.30-19,760,358.60

Finding the Fourth Proportional to 19,928,320.20, 29,892,480.30 and 19,760,358.60

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Solution

The fourth proportional to 19,928,320.20, 29,892,480.30 and 19,760,358.60 is: 29,640,537.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928,320.20 : 29,892,480.30 = 19,760,358.60 : x
  2. Step 2: Convert to fraction form
    19,928,320.20/29,892,480.30 = 19,760,358.60/x
  3. Step 3: Cross multiply
    19,928,320.20x = 29,892,480.30 × 19,760,358.60
  4. Step 4: Simplify right side
    19,928,320.20x = 590,686,130,171,435.62
  5. Step 5: Solve for x
    x = 590,686,130,171,435.62/19,928,320.20
  6. Step 6: Final answer
    x = 29,640,537.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.