Home / 13,408,420.92-20,112,815.92-3,823,800.48

Finding the Fourth Proportional to 13,408,420.92, 20,112,815.92 and 3,823,800.48

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Solution

The fourth proportional to 13,408,420.92, 20,112,815.92 and 3,823,800.48 is: 5,735,753.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408,420.92 : 20,112,815.92 = 3,823,800.48 : x
  2. Step 2: Convert to fraction form
    13,408,420.92/20,112,815.92 = 3,823,800.48/x
  3. Step 3: Cross multiply
    13,408,420.92x = 20,112,815.92 × 3,823,800.48
  4. Step 4: Simplify right side
    13,408,420.92x = 76,907,395,169,047.64
  5. Step 5: Solve for x
    x = 76,907,395,169,047.64/13,408,420.92
  6. Step 6: Final answer
    x = 5,735,753.35

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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.