Home / 13,601,158.10-20,401,737.15-3,503,779.10

Finding the Fourth Proportional to 13,601,158.10, 20,401,737.15 and 3,503,779.10

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Solution

The fourth proportional to 13,601,158.10, 20,401,737.15 and 3,503,779.10 is: 5,255,668.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601,158.10 : 20,401,737.15 = 3,503,779.10 : x
  2. Step 2: Convert to fraction form
    13,601,158.10/20,401,737.15 = 3,503,779.10/x
  3. Step 3: Cross multiply
    13,601,158.10x = 20,401,737.15 × 3,503,779.10
  4. Step 4: Simplify right side
    13,601,158.10x = 71,483,180,229,863.56
  5. Step 5: Solve for x
    x = 71,483,180,229,863.56/13,601,158.10
  6. Step 6: Final answer
    x = 5,255,668.65

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Similar ratio
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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.