Home / 14,120,672.33-21,180,973.71-7,969,865.65

Finding the Fourth Proportional to 14,120,672.33, 21,180,973.71 and 7,969,865.65

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Solution

The fourth proportional to 14,120,672.33, 21,180,973.71 and 7,969,865.65 is: 11,954,778.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120,672.33 : 21,180,973.71 = 7,969,865.65 : x
  2. Step 2: Convert to fraction form
    14,120,672.33/21,180,973.71 = 7,969,865.65/x
  3. Step 3: Cross multiply
    14,120,672.33x = 21,180,973.71 × 7,969,865.65
  4. Step 4: Simplify right side
    14,120,672.33x = 168,809,514,804,882.06
  5. Step 5: Solve for x
    x = 168,809,514,804,882.06/14,120,672.33
  6. Step 6: Final answer
    x = 11,954,778.84

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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.