Home / 18,443,949.60-27,665,924.40-9,485,997.60

Finding the Fourth Proportional to 18,443,949.60, 27,665,924.40 and 9,485,997.60

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Solution

The fourth proportional to 18,443,949.60, 27,665,924.40 and 9,485,997.60 is: 14,228,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443,949.60 : 27,665,924.40 = 9,485,997.60 : x
  2. Step 2: Convert to fraction form
    18,443,949.60/27,665,924.40 = 9,485,997.60/x
  3. Step 3: Cross multiply
    18,443,949.60x = 27,665,924.40 × 9,485,997.60
  4. Step 4: Simplify right side
    18,443,949.60x = 262,438,892,460,181.41
  5. Step 5: Solve for x
    x = 262,438,892,460,181.41/18,443,949.60
  6. Step 6: Final answer
    x = 14,228,996.40

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1.5x scale

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.