Home / 37,129,612.72-51,242,107.96-21,664,679.60

Finding the Fourth Proportional to 37,129,612.72, 51,242,107.96 and 21,664,679.60

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Solution

The fourth proportional to 37,129,612.72, 51,242,107.96 and 21,664,679.60 is: 29,899,149.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,129,612.72 : 51,242,107.96 = 21,664,679.60 : x
  2. Step 2: Convert to fraction form
    37,129,612.72/51,242,107.96 = 21,664,679.60/x
  3. Step 3: Cross multiply
    37,129,612.72x = 51,242,107.96 × 21,664,679.60
  4. Step 4: Simplify right side
    37,129,612.72x = 1,110,143,850,982,009.75
  5. Step 5: Solve for x
    x = 1,110,143,850,982,009.75/37,129,612.72
  6. Step 6: Final answer
    x = 29,899,149.75

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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.