Home / 12,029,481.48-18,004,145.58-9,622,031.88

Finding the Fourth Proportional to 12,029,481.48, 18,004,145.58 and 9,622,031.88

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Solution

The fourth proportional to 12,029,481.48, 18,004,145.58 and 9,622,031.88 is: 14,400,991.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029,481.48 : 18,004,145.58 = 9,622,031.88 : x
  2. Step 2: Convert to fraction form
    12,029,481.48/18,004,145.58 = 9,622,031.88/x
  3. Step 3: Cross multiply
    12,029,481.48x = 18,004,145.58 × 9,622,031.88
  4. Step 4: Simplify right side
    12,029,481.48x = 173,236,462,742,921.09
  5. Step 5: Solve for x
    x = 173,236,462,742,921.09/12,029,481.48
  6. Step 6: Final answer
    x = 14,400,991.68

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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.