Home / 18,052,506.79-27,077,763.45-13,199,786.16

Finding the Fourth Proportional to 18,052,506.79, 27,077,763.45 and 13,199,786.16

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Solution

The fourth proportional to 18,052,506.79, 27,077,763.45 and 13,199,786.16 is: 19,798,950.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,052,506.79 : 27,077,763.45 = 13,199,786.16 : x
  2. Step 2: Convert to fraction form
    18,052,506.79/27,077,763.45 = 13,199,786.16/x
  3. Step 3: Cross multiply
    18,052,506.79x = 27,077,763.45 × 13,199,786.16
  4. Step 4: Simplify right side
    18,052,506.79x = 357,420,687,180,293.06
  5. Step 5: Solve for x
    x = 357,420,687,180,293.06/18,052,506.79
  6. Step 6: Final answer
    x = 19,798,950.44

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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.