Home / 13,139,736.49-19,698,934.33-5,469,122.94

Finding the Fourth Proportional to 13,139,736.49, 19,698,934.33 and 5,469,122.94

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Solution

The fourth proportional to 13,139,736.49, 19,698,934.33 and 5,469,122.94 is: 8,199,243.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,139,736.49 : 19,698,934.33 = 5,469,122.94 : x
  2. Step 2: Convert to fraction form
    13,139,736.49/19,698,934.33 = 5,469,122.94/x
  3. Step 3: Cross multiply
    13,139,736.49x = 19,698,934.33 × 5,469,122.94
  4. Step 4: Simplify right side
    13,139,736.49x = 107,735,893,637,756.53
  5. Step 5: Solve for x
    x = 107,735,893,637,756.53/13,139,736.49
  6. Step 6: Final answer
    x = 8,199,243.09

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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.