Home / 13,842,935.88-20,768,839.68-9,692,660.78

Finding the Fourth Proportional to 13,842,935.88, 20,768,839.68 and 9,692,660.78

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Solution

The fourth proportional to 13,842,935.88, 20,768,839.68 and 9,692,660.78 is: 14,542,097.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842,935.88 : 20,768,839.68 = 9,692,660.78 : x
  2. Step 2: Convert to fraction form
    13,842,935.88/20,768,839.68 = 9,692,660.78/x
  3. Step 3: Cross multiply
    13,842,935.88x = 20,768,839.68 × 9,692,660.78
  4. Step 4: Simplify right side
    13,842,935.88x = 201,305,317,812,443.72
  5. Step 5: Solve for x
    x = 201,305,317,812,443.72/13,842,935.88
  6. Step 6: Final answer
    x = 14,542,097.11

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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.