Home / 13,410,958.36-18,507,108.52-7,299,372.28

Finding the Fourth Proportional to 13,410,958.36, 18,507,108.52 and 7,299,372.28

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Solution

The fourth proportional to 13,410,958.36, 18,507,108.52 and 7,299,372.28 is: 10,073,126.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410,958.36 : 18,507,108.52 = 7,299,372.28 : x
  2. Step 2: Convert to fraction form
    13,410,958.36/18,507,108.52 = 7,299,372.28/x
  3. Step 3: Cross multiply
    13,410,958.36x = 18,507,108.52 × 7,299,372.28
  4. Step 4: Simplify right side
    13,410,958.36x = 135,090,274,913,839.83
  5. Step 5: Solve for x
    x = 135,090,274,913,839.83/13,410,958.36
  6. Step 6: Final answer
    x = 10,073,126.12

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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.