Home / 13,667,029.20-20,500,871.85-4,082,720.40

Finding the Fourth Proportional to 13,667,029.20, 20,500,871.85 and 4,082,720.40

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Solution

The fourth proportional to 13,667,029.20, 20,500,871.85 and 4,082,720.40 is: 6,124,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,029.20 : 20,500,871.85 = 4,082,720.40 : x
  2. Step 2: Convert to fraction form
    13,667,029.20/20,500,871.85 = 4,082,720.40/x
  3. Step 3: Cross multiply
    13,667,029.20x = 20,500,871.85 × 4,082,720.40
  4. Step 4: Simplify right side
    13,667,029.20x = 83,699,327,719,780.75
  5. Step 5: Solve for x
    x = 83,699,327,719,780.75/13,667,029.20
  6. Step 6: Final answer
    x = 6,124,178.60

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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.