Home / 12,085,555.07-18,128,934.72-3,450,936.44

Finding the Fourth Proportional to 12,085,555.07, 18,128,934.72 and 3,450,936.44

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Solution

The fourth proportional to 12,085,555.07, 18,128,934.72 and 3,450,936.44 is: 5,176,576.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,085,555.07 : 18,128,934.72 = 3,450,936.44 : x
  2. Step 2: Convert to fraction form
    12,085,555.07/18,128,934.72 = 3,450,936.44/x
  3. Step 3: Cross multiply
    12,085,555.07x = 18,128,934.72 × 3,450,936.44
  4. Step 4: Simplify right side
    12,085,555.07x = 62,561,801,488,951.53
  5. Step 5: Solve for x
    x = 62,561,801,488,951.53/12,085,555.07
  6. Step 6: Final answer
    x = 5,176,576.59

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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.