Home / 26,422,069.20-39,633,103.80-8,472,987.60

Finding the Fourth Proportional to 26,422,069.20, 39,633,103.80 and 8,472,987.60

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Solution

The fourth proportional to 26,422,069.20, 39,633,103.80 and 8,472,987.60 is: 12,709,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,422,069.20 : 39,633,103.80 = 8,472,987.60 : x
  2. Step 2: Convert to fraction form
    26,422,069.20/39,633,103.80 = 8,472,987.60/x
  3. Step 3: Cross multiply
    26,422,069.20x = 39,633,103.80 × 8,472,987.60
  4. Step 4: Simplify right side
    26,422,069.20x = 335,810,797,046,912.81
  5. Step 5: Solve for x
    x = 335,810,797,046,912.81/26,422,069.20
  6. Step 6: Final answer
    x = 12,709,481.40

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1.5x scale

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.