Home / 21,682,398.75-29,928,410.39-13,947,441.07

Finding the Fourth Proportional to 21,682,398.75, 29,928,410.39 and 13,947,441.07

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Solution

The fourth proportional to 21,682,398.75, 29,928,410.39 and 13,947,441.07 is: 19,251,778.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,682,398.75 : 29,928,410.39 = 13,947,441.07 : x
  2. Step 2: Convert to fraction form
    21,682,398.75/29,928,410.39 = 13,947,441.07/x
  3. Step 3: Cross multiply
    21,682,398.75x = 29,928,410.39 × 13,947,441.07
  4. Step 4: Simplify right side
    21,682,398.75x = 417,424,740,109,306.31
  5. Step 5: Solve for x
    x = 417,424,740,109,306.31/21,682,398.75
  6. Step 6: Final answer
    x = 19,251,778.60

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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.