Home / 21,682,398.69-29,928,410.31-13,947,441.02

Finding the Fourth Proportional to 21,682,398.69, 29,928,410.31 and 13,947,441.02

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Solution

The fourth proportional to 21,682,398.69, 29,928,410.31 and 13,947,441.02 is: 19,251,778.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,682,398.69 : 29,928,410.31 = 13,947,441.02 : x
  2. Step 2: Convert to fraction form
    21,682,398.69/29,928,410.31 = 13,947,441.02/x
  3. Step 3: Cross multiply
    21,682,398.69x = 29,928,410.31 × 13,947,441.02
  4. Step 4: Simplify right side
    21,682,398.69x = 417,424,737,471,442.88
  5. Step 5: Solve for x
    x = 417,424,737,471,442.88/21,682,398.69
  6. Step 6: Final answer
    x = 19,251,778.53

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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.