Home / 43,478,867.02-65,228,977.41-21,629,555.50

Finding the Fourth Proportional to 43,478,867.02, 65,228,977.41 and 21,629,555.50

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Solution

The fourth proportional to 43,478,867.02, 65,228,977.41 and 21,629,555.50 is: 32,449,644.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,478,867.02 : 65,228,977.41 = 21,629,555.50 : x
  2. Step 2: Convert to fraction form
    43,478,867.02/65,228,977.41 = 21,629,555.50/x
  3. Step 3: Cross multiply
    43,478,867.02x = 65,228,977.41 × 21,629,555.50
  4. Step 4: Simplify right side
    43,478,867.02x = 1,410,873,786,934,768.75
  5. Step 5: Solve for x
    x = 1,410,873,786,934,768.75/43,478,867.02
  6. Step 6: Final answer
    x = 32,449,644.71

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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.