Home / 13,486,529.40-20,229,794.10-12,370,503.30

Finding the Fourth Proportional to 13,486,529.40, 20,229,794.10 and 12,370,503.30

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Solution

The fourth proportional to 13,486,529.40, 20,229,794.10 and 12,370,503.30 is: 18,555,754.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,529.40 : 20,229,794.10 = 12,370,503.30 : x
  2. Step 2: Convert to fraction form
    13,486,529.40/20,229,794.10 = 12,370,503.30/x
  3. Step 3: Cross multiply
    13,486,529.40x = 20,229,794.10 × 12,370,503.30
  4. Step 4: Simplify right side
    13,486,529.40x = 250,252,734,672,370.56
  5. Step 5: Solve for x
    x = 250,252,734,672,370.56/13,486,529.40
  6. Step 6: Final answer
    x = 18,555,754.95

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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.