Home / 18,782,595.70-28,173,893.55-9,199,453.30

Finding the Fourth Proportional to 18,782,595.70, 28,173,893.55 and 9,199,453.30

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Solution

The fourth proportional to 18,782,595.70, 28,173,893.55 and 9,199,453.30 is: 13,799,179.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,782,595.70 : 28,173,893.55 = 9,199,453.30 : x
  2. Step 2: Convert to fraction form
    18,782,595.70/28,173,893.55 = 9,199,453.30/x
  3. Step 3: Cross multiply
    18,782,595.70x = 28,173,893.55 × 9,199,453.30
  4. Step 4: Simplify right side
    18,782,595.70x = 259,184,417,992,396.25
  5. Step 5: Solve for x
    x = 259,184,417,992,396.25/18,782,595.70
  6. Step 6: Final answer
    x = 13,799,179.95

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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.