Home / 13,122,605.87-19,682,180.64-3,900,381.50

Finding the Fourth Proportional to 13,122,605.87, 19,682,180.64 and 3,900,381.50

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Solution

The fourth proportional to 13,122,605.87, 19,682,180.64 and 3,900,381.50 is: 5,850,058.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,605.87 : 19,682,180.64 = 3,900,381.50 : x
  2. Step 2: Convert to fraction form
    13,122,605.87/19,682,180.64 = 3,900,381.50/x
  3. Step 3: Cross multiply
    13,122,605.87x = 19,682,180.64 × 3,900,381.50
  4. Step 4: Simplify right side
    13,122,605.87x = 76,768,013,247,914.16
  5. Step 5: Solve for x
    x = 76,768,013,247,914.16/13,122,605.87
  6. Step 6: Final answer
    x = 5,850,058.59

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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.