Home / 20,297,147.60-27,982,966.92-16,124,676.80

Finding the Fourth Proportional to 20,297,147.60, 27,982,966.92 and 16,124,676.80

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Solution

The fourth proportional to 20,297,147.60, 27,982,966.92 and 16,124,676.80 is: 22,230,527.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,297,147.60 : 27,982,966.92 = 16,124,676.80 : x
  2. Step 2: Convert to fraction form
    20,297,147.60/27,982,966.92 = 16,124,676.80/x
  3. Step 3: Cross multiply
    20,297,147.60x = 27,982,966.92 × 16,124,676.80
  4. Step 4: Simplify right side
    20,297,147.60x = 451,216,297,490,091.50
  5. Step 5: Solve for x
    x = 451,216,297,490,091.50/20,297,147.60
  6. Step 6: Final answer
    x = 22,230,527.48

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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.