Home / 13,409,977.68-20,115,630.72-3,826,768.32

Finding the Fourth Proportional to 13,409,977.68, 20,115,630.72 and 3,826,768.32

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Solution

The fourth proportional to 13,409,977.68, 20,115,630.72 and 3,826,768.32 is: 5,740,342.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,409,977.68 : 20,115,630.72 = 3,826,768.32 : x
  2. Step 2: Convert to fraction form
    13,409,977.68/20,115,630.72 = 3,826,768.32/x
  3. Step 3: Cross multiply
    13,409,977.68x = 20,115,630.72 × 3,826,768.32
  4. Step 4: Simplify right side
    13,409,977.68x = 76,977,858,376,114.78
  5. Step 5: Solve for x
    x = 76,977,858,376,114.78/13,409,977.68
  6. Step 6: Final answer
    x = 5,740,342.02

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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.