Home / 20,454,449.58-30,673,700.73-7,667,977.50

Finding the Fourth Proportional to 20,454,449.58, 30,673,700.73 and 7,667,977.50

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Solution

The fourth proportional to 20,454,449.58, 30,673,700.73 and 7,667,977.50 is: 11,498,977.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,454,449.58 : 30,673,700.73 = 7,667,977.50 : x
  2. Step 2: Convert to fraction form
    20,454,449.58/30,673,700.73 = 7,667,977.50/x
  3. Step 3: Cross multiply
    20,454,449.58x = 30,673,700.73 × 7,667,977.50
  4. Step 4: Simplify right side
    20,454,449.58x = 235,205,247,039,373.59
  5. Step 5: Solve for x
    x = 235,205,247,039,373.59/20,454,449.58
  6. Step 6: Final answer
    x = 11,498,977.09

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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.