Home / 12,976,974.29-19,469,722.92-5,307,069.68

Finding the Fourth Proportional to 12,976,974.29, 19,469,722.92 and 5,307,069.68

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Solution

The fourth proportional to 12,976,974.29, 19,469,722.92 and 5,307,069.68 is: 7,962,347.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,976,974.29 : 19,469,722.92 = 5,307,069.68 : x
  2. Step 2: Convert to fraction form
    12,976,974.29/19,469,722.92 = 5,307,069.68/x
  3. Step 3: Cross multiply
    12,976,974.29x = 19,469,722.92 × 5,307,069.68
  4. Step 4: Simplify right side
    12,976,974.29x = 103,327,176,142,494.41
  5. Step 5: Solve for x
    x = 103,327,176,142,494.41/12,976,974.29
  6. Step 6: Final answer
    x = 7,962,347.29

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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.