Home / 20,465,786.20-30,698,679.30-8,329,002.37

Finding the Fourth Proportional to 20,465,786.20, 30,698,679.30 and 8,329,002.37

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Solution

The fourth proportional to 20,465,786.20, 30,698,679.30 and 8,329,002.37 is: 12,493,503.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,465,786.20 : 30,698,679.30 = 8,329,002.37 : x
  2. Step 2: Convert to fraction form
    20,465,786.20/30,698,679.30 = 8,329,002.37/x
  3. Step 3: Cross multiply
    20,465,786.20x = 30,698,679.30 × 8,329,002.37
  4. Step 4: Simplify right side
    20,465,786.20x = 255,689,372,492,076.56
  5. Step 5: Solve for x
    x = 255,689,372,492,076.56/20,465,786.20
  6. Step 6: Final answer
    x = 12,493,503.55

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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.