Home / 8,668,759.36-11,962,977.60-5,230,336

Finding the Fourth Proportional to 8,668,759.36, 11,962,977.60 and 5,230,336

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Solution

The fourth proportional to 8,668,759.36, 11,962,977.60 and 5,230,336 is: 7,217,917.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668,759.36 : 11,962,977.60 = 5,230,336 : x
  2. Step 2: Convert to fraction form
    8,668,759.36/11,962,977.60 = 5,230,336/x
  3. Step 3: Cross multiply
    8,668,759.36x = 11,962,977.60 × 5,230,336
  4. Step 4: Simplify right side
    8,668,759.36x = 62,570,392,408,473.60
  5. Step 5: Solve for x
    x = 62,570,392,408,473.60/8,668,759.36
  6. Step 6: Final answer
    x = 7,217,917.79

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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.