Home / 18,346,321.20-27,519,384.60-4,699,441.20

Finding the Fourth Proportional to 18,346,321.20, 27,519,384.60 and 4,699,441.20

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Solution

The fourth proportional to 18,346,321.20, 27,519,384.60 and 4,699,441.20 is: 7,049,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,346,321.20 : 27,519,384.60 = 4,699,441.20 : x
  2. Step 2: Convert to fraction form
    18,346,321.20/27,519,384.60 = 4,699,441.20/x
  3. Step 3: Cross multiply
    18,346,321.20x = 27,519,384.60 × 4,699,441.20
  4. Step 4: Simplify right side
    18,346,321.20x = 129,325,729,787,885.53
  5. Step 5: Solve for x
    x = 129,325,729,787,885.53/18,346,321.20
  6. Step 6: Final answer
    x = 7,049,136.90

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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.