Home / 12,928,793.99-19,396,028.61-3,831,604.58

Finding the Fourth Proportional to 12,928,793.99, 19,396,028.61 and 3,831,604.58

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Solution

The fourth proportional to 12,928,793.99, 19,396,028.61 and 3,831,604.58 is: 5,748,247.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,928,793.99 : 19,396,028.61 = 3,831,604.58 : x
  2. Step 2: Convert to fraction form
    12,928,793.99/19,396,028.61 = 3,831,604.58/x
  3. Step 3: Cross multiply
    12,928,793.99x = 19,396,028.61 × 3,831,604.58
  4. Step 4: Simplify right side
    12,928,793.99x = 74,317,912,104,377.11
  5. Step 5: Solve for x
    x = 74,317,912,104,377.11/12,928,793.99
  6. Step 6: Final answer
    x = 5,748,247.84

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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.