Home / 21,682,396.43-29,928,407.19-13,947,438.75

Finding the Fourth Proportional to 21,682,396.43, 29,928,407.19 and 13,947,438.75

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Solution

The fourth proportional to 21,682,396.43, 29,928,407.19 and 13,947,438.75 is: 19,251,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,682,396.43 : 29,928,407.19 = 13,947,438.75 : x
  2. Step 2: Convert to fraction form
    21,682,396.43/29,928,407.19 = 13,947,438.75/x
  3. Step 3: Cross multiply
    21,682,396.43x = 29,928,407.19 × 13,947,438.75
  4. Step 4: Simplify right side
    21,682,396.43x = 417,424,626,332,119.06
  5. Step 5: Solve for x
    x = 417,424,626,332,119.06/21,682,396.43
  6. Step 6: Final answer
    x = 19,251,775.40

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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.