Home / 13,928,107.65-19,221,388.79-7,733,154.57

Finding the Fourth Proportional to 13,928,107.65, 19,221,388.79 and 7,733,154.57

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Solution

The fourth proportional to 13,928,107.65, 19,221,388.79 and 7,733,154.57 is: 10,672,086.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928,107.65 : 19,221,388.79 = 7,733,154.57 : x
  2. Step 2: Convert to fraction form
    13,928,107.65/19,221,388.79 = 7,733,154.57/x
  3. Step 3: Cross multiply
    13,928,107.65x = 19,221,388.79 × 7,733,154.57
  4. Step 4: Simplify right side
    13,928,107.65x = 148,641,970,524,469.50
  5. Step 5: Solve for x
    x = 148,641,970,524,469.50/13,928,107.65
  6. Step 6: Final answer
    x = 10,672,086.56

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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.