Home / 14,131,763.20-21,172,761.60-11,593,676.80

Finding the Fourth Proportional to 14,131,763.20, 21,172,761.60 and 11,593,676.80

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Solution

The fourth proportional to 14,131,763.20, 21,172,761.60 and 11,593,676.80 is: 17,370,101.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,131,763.20 : 21,172,761.60 = 11,593,676.80 : x
  2. Step 2: Convert to fraction form
    14,131,763.20/21,172,761.60 = 11,593,676.80/x
  3. Step 3: Cross multiply
    14,131,763.20x = 21,172,761.60 × 11,593,676.80
  4. Step 4: Simplify right side
    14,131,763.20x = 245,470,154,953,850.91
  5. Step 5: Solve for x
    x = 245,470,154,953,850.91/14,131,763.20
  6. Step 6: Final answer
    x = 17,370,101.06

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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.