Home / 13,321,454.06-18,383,759.93-7,814,922.59

Finding the Fourth Proportional to 13,321,454.06, 18,383,759.93 and 7,814,922.59

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Solution

The fourth proportional to 13,321,454.06, 18,383,759.93 and 7,814,922.59 is: 10,784,683.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,321,454.06 : 18,383,759.93 = 7,814,922.59 : x
  2. Step 2: Convert to fraction form
    13,321,454.06/18,383,759.93 = 7,814,922.59/x
  3. Step 3: Cross multiply
    13,321,454.06x = 18,383,759.93 × 7,814,922.59
  4. Step 4: Simplify right side
    13,321,454.06x = 143,667,660,831,590.53
  5. Step 5: Solve for x
    x = 143,667,660,831,590.53/13,321,454.06
  6. Step 6: Final answer
    x = 10,784,683.13

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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.