Home / 14,519,859.20-21,758,793.60-6,426,209.60

Finding the Fourth Proportional to 14,519,859.20, 21,758,793.60 and 6,426,209.60

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Solution

The fourth proportional to 14,519,859.20, 21,758,793.60 and 6,426,209.60 is: 9,630,022.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,519,859.20 : 21,758,793.60 = 6,426,209.60 : x
  2. Step 2: Convert to fraction form
    14,519,859.20/21,758,793.60 = 6,426,209.60/x
  3. Step 3: Cross multiply
    14,519,859.20x = 21,758,793.60 × 6,426,209.60
  4. Step 4: Simplify right side
    14,519,859.20x = 139,826,568,316,738.56
  5. Step 5: Solve for x
    x = 139,826,568,316,738.56/14,519,859.20
  6. Step 6: Final answer
    x = 9,630,022.33

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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.