Home / 12,794,136.47-19,188,373.85-3,694,258.79

Finding the Fourth Proportional to 12,794,136.47, 19,188,373.85 and 3,694,258.79

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Solution

The fourth proportional to 12,794,136.47, 19,188,373.85 and 3,694,258.79 is: 5,540,570.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,794,136.47 : 19,188,373.85 = 3,694,258.79 : x
  2. Step 2: Convert to fraction form
    12,794,136.47/19,188,373.85 = 3,694,258.79/x
  3. Step 3: Cross multiply
    12,794,136.47x = 19,188,373.85 × 3,694,258.79
  4. Step 4: Simplify right side
    12,794,136.47x = 70,886,818,742,697.34
  5. Step 5: Solve for x
    x = 70,886,818,742,697.34/12,794,136.47
  6. Step 6: Final answer
    x = 5,540,570.78

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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.