Home / 27,955,033.97-41,930,973.72-12,388,379.24

Finding the Fourth Proportional to 27,955,033.97, 41,930,973.72 and 12,388,379.24

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Solution

The fourth proportional to 27,955,033.97, 41,930,973.72 and 12,388,379.24 is: 18,581,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,955,033.97 : 41,930,973.72 = 12,388,379.24 : x
  2. Step 2: Convert to fraction form
    27,955,033.97/41,930,973.72 = 12,388,379.24/x
  3. Step 3: Cross multiply
    27,955,033.97x = 41,930,973.72 × 12,388,379.24
  4. Step 4: Simplify right side
    27,955,033.97x = 519,456,804,136,178.69
  5. Step 5: Solve for x
    x = 519,456,804,136,178.69/27,955,033.97
  6. Step 6: Final answer
    x = 18,581,869.90

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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.