Home / 12,540,007.58-17,305,389.79-9,394,698.20

Finding the Fourth Proportional to 12,540,007.58, 17,305,389.79 and 9,394,698.20

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Solution

The fourth proportional to 12,540,007.58, 17,305,389.79 and 9,394,698.20 is: 12,964,817.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,540,007.58 : 17,305,389.79 = 9,394,698.20 : x
  2. Step 2: Convert to fraction form
    12,540,007.58/17,305,389.79 = 9,394,698.20/x
  3. Step 3: Cross multiply
    12,540,007.58x = 17,305,389.79 × 9,394,698.20
  4. Step 4: Simplify right side
    12,540,007.58x = 162,578,914,200,397.69
  5. Step 5: Solve for x
    x = 162,578,914,200,397.69/12,540,007.58
  6. Step 6: Final answer
    x = 12,964,817.86

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1.5x scale

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.