Home / 18,685,033.05-25,785,309.84-10,424,603.85

Finding the Fourth Proportional to 18,685,033.05, 25,785,309.84 and 10,424,603.85

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Solution

The fourth proportional to 18,685,033.05, 25,785,309.84 and 10,424,603.85 is: 14,385,933.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,685,033.05 : 25,785,309.84 = 10,424,603.85 : x
  2. Step 2: Convert to fraction form
    18,685,033.05/25,785,309.84 = 10,424,603.85/x
  3. Step 3: Cross multiply
    18,685,033.05x = 25,785,309.84 × 10,424,603.85
  4. Step 4: Simplify right side
    18,685,033.05x = 268,801,640,231,506.88
  5. Step 5: Solve for x
    x = 268,801,640,231,506.88/18,685,033.05
  6. Step 6: Final answer
    x = 14,385,933.36

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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.