Home / 12,848,720-17,735,203.44-8,265,041.78

Finding the Fourth Proportional to 12,848,720, 17,735,203.44 and 8,265,041.78

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Solution

The fourth proportional to 12,848,720, 17,735,203.44 and 8,265,041.78 is: 11,408,311.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848,720 : 17,735,203.44 = 8,265,041.78 : x
  2. Step 2: Convert to fraction form
    12,848,720/17,735,203.44 = 8,265,041.78/x
  3. Step 3: Cross multiply
    12,848,720x = 17,735,203.44 × 8,265,041.78
  4. Step 4: Simplify right side
    12,848,720x = 146,582,197,408,399.75
  5. Step 5: Solve for x
    x = 146,582,197,408,399.75/12,848,720
  6. Step 6: Final answer
    x = 11,408,311.29

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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.