Home / 18,052,507.31-27,077,764.25-13,199,786.68

Finding the Fourth Proportional to 18,052,507.31, 27,077,764.25 and 13,199,786.68

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Solution

The fourth proportional to 18,052,507.31, 27,077,764.25 and 13,199,786.68 is: 19,798,951.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,052,507.31 : 27,077,764.25 = 13,199,786.68 : x
  2. Step 2: Convert to fraction form
    18,052,507.31/27,077,764.25 = 13,199,786.68/x
  3. Step 3: Cross multiply
    18,052,507.31x = 27,077,764.25 × 13,199,786.68
  4. Step 4: Simplify right side
    18,052,507.31x = 357,420,711,871,330.19
  5. Step 5: Solve for x
    x = 357,420,711,871,330.19/18,052,507.31
  6. Step 6: Final answer
    x = 19,798,951.23

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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.