Home / 12,617,403.25-18,926,255.06-3,518,947.27

Finding the Fourth Proportional to 12,617,403.25, 18,926,255.06 and 3,518,947.27

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Solution

The fourth proportional to 12,617,403.25, 18,926,255.06 and 3,518,947.27 is: 5,278,462.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,617,403.25 : 18,926,255.06 = 3,518,947.27 : x
  2. Step 2: Convert to fraction form
    12,617,403.25/18,926,255.06 = 3,518,947.27/x
  3. Step 3: Cross multiply
    12,617,403.25x = 18,926,255.06 × 3,518,947.27
  4. Step 4: Simplify right side
    12,617,403.25x = 66,600,493,480,079.41
  5. Step 5: Solve for x
    x = 66,600,493,480,079.41/12,617,403.25
  6. Step 6: Final answer
    x = 5,278,462.78

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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.