Home / 18,443,319.10-27,669,817.05-7,084,138.30

Finding the Fourth Proportional to 18,443,319.10, 27,669,817.05 and 7,084,138.30

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Solution

The fourth proportional to 18,443,319.10, 27,669,817.05 and 7,084,138.30 is: 10,628,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443,319.10 : 27,669,817.05 = 7,084,138.30 : x
  2. Step 2: Convert to fraction form
    18,443,319.10/27,669,817.05 = 7,084,138.30/x
  3. Step 3: Cross multiply
    18,443,319.10x = 27,669,817.05 × 7,084,138.30
  4. Step 4: Simplify right side
    18,443,319.10x = 196,016,810,717,898
  5. Step 5: Solve for x
    x = 196,016,810,717,898/18,443,319.10
  6. Step 6: Final answer
    x = 10,628,065.90

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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.