Home / 14,120,671.33-21,180,972.21-7,969,864.65

Finding the Fourth Proportional to 14,120,671.33, 21,180,972.21 and 7,969,864.65

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Solution

The fourth proportional to 14,120,671.33, 21,180,972.21 and 7,969,864.65 is: 11,954,777.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120,671.33 : 21,180,972.21 = 7,969,864.65 : x
  2. Step 2: Convert to fraction form
    14,120,671.33/21,180,972.21 = 7,969,864.65/x
  3. Step 3: Cross multiply
    14,120,671.33x = 21,180,972.21 × 7,969,864.65
  4. Step 4: Simplify right side
    14,120,671.33x = 168,809,481,669,111.41
  5. Step 5: Solve for x
    x = 168,809,481,669,111.41/14,120,671.33
  6. Step 6: Final answer
    x = 11,954,777.34

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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.