Home / 13,507,447.08-20,269,240.04-12,408,506.28

Finding the Fourth Proportional to 13,507,447.08, 20,269,240.04 and 12,408,506.28

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Solution

The fourth proportional to 13,507,447.08, 20,269,240.04 and 12,408,506.28 is: 18,620,172.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507,447.08 : 20,269,240.04 = 12,408,506.28 : x
  2. Step 2: Convert to fraction form
    13,507,447.08/20,269,240.04 = 12,408,506.28/x
  3. Step 3: Cross multiply
    13,507,447.08x = 20,269,240.04 × 12,408,506.28
  4. Step 4: Simplify right side
    13,507,447.08x = 251,510,992,327,167.44
  5. Step 5: Solve for x
    x = 251,510,992,327,167.44/13,507,447.08
  6. Step 6: Final answer
    x = 18,620,172.33

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1.5x scale

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.