Home / 39,285,226.64-54,214,905.48-21,643,193.36

Finding the Fourth Proportional to 39,285,226.64, 54,214,905.48 and 21,643,193.36

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Solution

The fourth proportional to 39,285,226.64, 54,214,905.48 and 21,643,193.36 is: 29,868,319.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,285,226.64 : 54,214,905.48 = 21,643,193.36 : x
  2. Step 2: Convert to fraction form
    39,285,226.64/54,214,905.48 = 21,643,193.36/x
  3. Step 3: Cross multiply
    39,285,226.64x = 54,214,905.48 × 21,643,193.36
  4. Step 4: Simplify right side
    39,285,226.64x = 1,173,383,682,297,763.50
  5. Step 5: Solve for x
    x = 1,173,383,682,297,763.50/39,285,226.64
  6. Step 6: Final answer
    x = 29,868,319.03

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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.