Home / 12,209,611.20-18,322,711.20-6,818,251.20

Finding the Fourth Proportional to 12,209,611.20, 18,322,711.20 and 6,818,251.20

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Solution

The fourth proportional to 12,209,611.20, 18,322,711.20 and 6,818,251.20 is: 10,232,008.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,209,611.20 : 18,322,711.20 = 6,818,251.20 : x
  2. Step 2: Convert to fraction form
    12,209,611.20/18,322,711.20 = 6,818,251.20/x
  3. Step 3: Cross multiply
    12,209,611.20x = 18,322,711.20 × 6,818,251.20
  4. Step 4: Simplify right side
    12,209,611.20x = 124,928,847,626,653.44
  5. Step 5: Solve for x
    x = 124,928,847,626,653.44/12,209,611.20
  6. Step 6: Final answer
    x = 10,232,008.67

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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.