Home / 13,028,519.20-19,542,778.80-9,669,287.20

Finding the Fourth Proportional to 13,028,519.20, 19,542,778.80 and 9,669,287.20

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Solution

The fourth proportional to 13,028,519.20, 19,542,778.80 and 9,669,287.20 is: 14,503,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028,519.20 : 19,542,778.80 = 9,669,287.20 : x
  2. Step 2: Convert to fraction form
    13,028,519.20/19,542,778.80 = 9,669,287.20/x
  3. Step 3: Cross multiply
    13,028,519.20x = 19,542,778.80 × 9,669,287.20
  4. Step 4: Simplify right side
    13,028,519.20x = 188,964,740,903,271.34
  5. Step 5: Solve for x
    x = 188,964,740,903,271.34/13,028,519.20
  6. Step 6: Final answer
    x = 14,503,930.80

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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.