Home / 18,452,940.40-27,679,410.60-13,669,971.40

Finding the Fourth Proportional to 18,452,940.40, 27,679,410.60 and 13,669,971.40

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Solution

The fourth proportional to 18,452,940.40, 27,679,410.60 and 13,669,971.40 is: 20,504,957.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452,940.40 : 27,679,410.60 = 13,669,971.40 : x
  2. Step 2: Convert to fraction form
    18,452,940.40/27,679,410.60 = 13,669,971.40/x
  3. Step 3: Cross multiply
    18,452,940.40x = 27,679,410.60 × 13,669,971.40
  4. Step 4: Simplify right side
    18,452,940.40x = 378,376,751,270,856.88
  5. Step 5: Solve for x
    x = 378,376,751,270,856.88/18,452,940.40
  6. Step 6: Final answer
    x = 20,504,957.10

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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.