Home / 22,378,329.55-30,879,930.09-12,592,160.65

Finding the Fourth Proportional to 22,378,329.55, 30,879,930.09 and 12,592,160.65

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Solution

The fourth proportional to 22,378,329.55, 30,879,930.09 and 12,592,160.65 is: 17,375,963.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,378,329.55 : 30,879,930.09 = 12,592,160.65 : x
  2. Step 2: Convert to fraction form
    22,378,329.55/30,879,930.09 = 12,592,160.65/x
  3. Step 3: Cross multiply
    22,378,329.55x = 30,879,930.09 × 12,592,160.65
  4. Step 4: Simplify right side
    22,378,329.55x = 388,845,040,569,051.12
  5. Step 5: Solve for x
    x = 388,845,040,569,051.12/22,378,329.55
  6. Step 6: Final answer
    x = 17,375,963.64

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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.