Home / 13,188,247.32-18,190,694.52-9,276,300.28

Finding the Fourth Proportional to 13,188,247.32, 18,190,694.52 and 9,276,300.28

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Solution

The fourth proportional to 13,188,247.32, 18,190,694.52 and 9,276,300.28 is: 12,794,902.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188,247.32 : 18,190,694.52 = 9,276,300.28 : x
  2. Step 2: Convert to fraction form
    13,188,247.32/18,190,694.52 = 9,276,300.28/x
  3. Step 3: Cross multiply
    13,188,247.32x = 18,190,694.52 × 9,276,300.28
  4. Step 4: Simplify right side
    13,188,247.32x = 168,742,344,669,270.44
  5. Step 5: Solve for x
    x = 168,742,344,669,270.44/13,188,247.32
  6. Step 6: Final answer
    x = 12,794,902.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.