Home / 18,451,321.02-27,679,622.94-5,672,898.72

Finding the Fourth Proportional to 18,451,321.02, 27,679,622.94 and 5,672,898.72

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Solution

The fourth proportional to 18,451,321.02, 27,679,622.94 and 5,672,898.72 is: 8,510,160.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451,321.02 : 27,679,622.94 = 5,672,898.72 : x
  2. Step 2: Convert to fraction form
    18,451,321.02/27,679,622.94 = 5,672,898.72/x
  3. Step 3: Cross multiply
    18,451,321.02x = 27,679,622.94 × 5,672,898.72
  4. Step 4: Simplify right side
    18,451,321.02x = 157,023,697,546,408.62
  5. Step 5: Solve for x
    x = 157,023,697,546,408.62/18,451,321.02
  6. Step 6: Final answer
    x = 8,510,160.19

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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.