Home / 12,624,823.70-17,422,598.86-7,729,952.66

Finding the Fourth Proportional to 12,624,823.70, 17,422,598.86 and 7,729,952.66

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Solution

The fourth proportional to 12,624,823.70, 17,422,598.86 and 7,729,952.66 is: 10,667,544.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624,823.70 : 17,422,598.86 = 7,729,952.66 : x
  2. Step 2: Convert to fraction form
    12,624,823.70/17,422,598.86 = 7,729,952.66/x
  3. Step 3: Cross multiply
    12,624,823.70x = 17,422,598.86 × 7,729,952.66
  4. Step 4: Simplify right side
    12,624,823.70x = 134,675,864,401,969.97
  5. Step 5: Solve for x
    x = 134,675,864,401,969.97/12,624,823.70
  6. Step 6: Final answer
    x = 10,667,544.17

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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.