Home / 13,408,034.55-18,503,017.67-7,296,506.79

Finding the Fourth Proportional to 13,408,034.55, 18,503,017.67 and 7,296,506.79

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Solution

The fourth proportional to 13,408,034.55, 18,503,017.67 and 7,296,506.79 is: 10,069,141.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408,034.55 : 18,503,017.67 = 7,296,506.79 : x
  2. Step 2: Convert to fraction form
    13,408,034.55/18,503,017.67 = 7,296,506.79/x
  3. Step 3: Cross multiply
    13,408,034.55x = 18,503,017.67 × 7,296,506.79
  4. Step 4: Simplify right side
    13,408,034.55x = 135,007,394,028,162.44
  5. Step 5: Solve for x
    x = 135,007,394,028,162.44/13,408,034.55
  6. Step 6: Final answer
    x = 10,069,141.27

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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.