Home / 13,451,408.48-18,563,391.60-7,340,172.32

Finding the Fourth Proportional to 13,451,408.48, 18,563,391.60 and 7,340,172.32

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Solution

The fourth proportional to 13,451,408.48, 18,563,391.60 and 7,340,172.32 is: 10,129,682.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451,408.48 : 18,563,391.60 = 7,340,172.32 : x
  2. Step 2: Convert to fraction form
    13,451,408.48/18,563,391.60 = 7,340,172.32/x
  3. Step 3: Cross multiply
    13,451,408.48x = 18,563,391.60 × 7,340,172.32
  4. Step 4: Simplify right side
    13,451,408.48x = 136,258,493,187,640.53
  5. Step 5: Solve for x
    x = 136,258,493,187,640.53/13,451,408.48
  6. Step 6: Final answer
    x = 10,129,682.21

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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.