Home / 13,557,311.28-20,335,950-3,459,932.64

Finding the Fourth Proportional to 13,557,311.28, 20,335,950 and 3,459,932.64

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Solution

The fourth proportional to 13,557,311.28, 20,335,950 and 3,459,932.64 is: 5,189,894.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557,311.28 : 20,335,950 = 3,459,932.64 : x
  2. Step 2: Convert to fraction form
    13,557,311.28/20,335,950 = 3,459,932.64/x
  3. Step 3: Cross multiply
    13,557,311.28x = 20,335,950 × 3,459,932.64
  4. Step 4: Simplify right side
    13,557,311.28x = 70,361,017,170,408
  5. Step 5: Solve for x
    x = 70,361,017,170,408/13,557,311.28
  6. Step 6: Final answer
    x = 5,189,894.64

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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.