Home / 7,408,874.76-11,101,791.10-5,138,834.37

Finding the Fourth Proportional to 7,408,874.76, 11,101,791.10 and 5,138,834.37

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Solution

The fourth proportional to 7,408,874.76, 11,101,791.10 and 5,138,834.37 is: 7,700,260.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408,874.76 : 11,101,791.10 = 5,138,834.37 : x
  2. Step 2: Convert to fraction form
    7,408,874.76/11,101,791.10 = 5,138,834.37/x
  3. Step 3: Cross multiply
    7,408,874.76x = 11,101,791.10 × 5,138,834.37
  4. Step 4: Simplify right side
    7,408,874.76x = 57,050,265,592,036.98
  5. Step 5: Solve for x
    x = 57,050,265,592,036.98/7,408,874.76
  6. Step 6: Final answer
    x = 7,700,260.50

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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.