Home / 13,423,408.80-20,135,113.20-4,446,794.40

Finding the Fourth Proportional to 13,423,408.80, 20,135,113.20 and 4,446,794.40

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Solution

The fourth proportional to 13,423,408.80, 20,135,113.20 and 4,446,794.40 is: 6,670,191.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423,408.80 : 20,135,113.20 = 4,446,794.40 : x
  2. Step 2: Convert to fraction form
    13,423,408.80/20,135,113.20 = 4,446,794.40/x
  3. Step 3: Cross multiply
    13,423,408.80x = 20,135,113.20 × 4,446,794.40
  4. Step 4: Simplify right side
    13,423,408.80x = 89,536,708,621,126.08
  5. Step 5: Solve for x
    x = 89,536,708,621,126.08/13,423,408.80
  6. Step 6: Final answer
    x = 6,670,191.60

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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.