Home / 12,174,010.40-18,259,633.20-3,199,469.60

Finding the Fourth Proportional to 12,174,010.40, 18,259,633.20 and 3,199,469.60

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Solution

The fourth proportional to 12,174,010.40, 18,259,633.20 and 3,199,469.60 is: 4,798,841.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,174,010.40 : 18,259,633.20 = 3,199,469.60 : x
  2. Step 2: Convert to fraction form
    12,174,010.40/18,259,633.20 = 3,199,469.60/x
  3. Step 3: Cross multiply
    12,174,010.40x = 18,259,633.20 × 3,199,469.60
  4. Step 4: Simplify right side
    12,174,010.40x = 58,421,141,330,550.72
  5. Step 5: Solve for x
    x = 58,421,141,330,550.72/12,174,010.40
  6. Step 6: Final answer
    x = 4,798,841.09

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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.