Home / 12,664,510.82-17,477,040.08-6,863,292.56

Finding the Fourth Proportional to 12,664,510.82, 17,477,040.08 and 6,863,292.56

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Solution

The fourth proportional to 12,664,510.82, 17,477,040.08 and 6,863,292.56 is: 9,471,351.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,664,510.82 : 17,477,040.08 = 6,863,292.56 : x
  2. Step 2: Convert to fraction form
    12,664,510.82/17,477,040.08 = 6,863,292.56/x
  3. Step 3: Cross multiply
    12,664,510.82x = 17,477,040.08 × 6,863,292.56
  4. Step 4: Simplify right side
    12,664,510.82x = 119,950,039,214,067.41
  5. Step 5: Solve for x
    x = 119,950,039,214,067.41/12,664,510.82
  6. Step 6: Final answer
    x = 9,471,351.94

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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.