Home / 12,048,914.76-18,074,003.30-9,174,789.43

Finding the Fourth Proportional to 12,048,914.76, 18,074,003.30 and 9,174,789.43

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Solution

The fourth proportional to 12,048,914.76, 18,074,003.30 and 9,174,789.43 is: 13,762,664.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048,914.76 : 18,074,003.30 = 9,174,789.43 : x
  2. Step 2: Convert to fraction form
    12,048,914.76/18,074,003.30 = 9,174,789.43/x
  3. Step 3: Cross multiply
    12,048,914.76x = 18,074,003.30 × 9,174,789.43
  4. Step 4: Simplify right side
    12,048,914.76x = 165,825,174,434,625.12
  5. Step 5: Solve for x
    x = 165,825,174,434,625.12/12,048,914.76
  6. Step 6: Final answer
    x = 13,762,664.75

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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.