Home / 13,269,258-18,313,335.36-7,469,165.52

Finding the Fourth Proportional to 13,269,258, 18,313,335.36 and 7,469,165.52

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Solution

The fourth proportional to 13,269,258, 18,313,335.36 and 7,469,165.52 is: 10,308,438.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269,258 : 18,313,335.36 = 7,469,165.52 : x
  2. Step 2: Convert to fraction form
    13,269,258/18,313,335.36 = 7,469,165.52/x
  3. Step 3: Cross multiply
    13,269,258x = 18,313,335.36 × 7,469,165.52
  4. Step 4: Simplify right side
    13,269,258x = 136,785,333,027,108.78
  5. Step 5: Solve for x
    x = 136,785,333,027,108.78/13,269,258
  6. Step 6: Final answer
    x = 10,308,438.73

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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.