Home / 13,126,044.44-18,112,759.44-8,229,701.36

Finding the Fourth Proportional to 13,126,044.44, 18,112,759.44 and 8,229,701.36

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Solution

The fourth proportional to 13,126,044.44, 18,112,759.44 and 8,229,701.36 is: 11,356,246.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126,044.44 : 18,112,759.44 = 8,229,701.36 : x
  2. Step 2: Convert to fraction form
    13,126,044.44/18,112,759.44 = 8,229,701.36/x
  3. Step 3: Cross multiply
    13,126,044.44x = 18,112,759.44 × 8,229,701.36
  4. Step 4: Simplify right side
    13,126,044.44x = 149,062,600,996,720.84
  5. Step 5: Solve for x
    x = 149,062,600,996,720.84/13,126,044.44
  6. Step 6: Final answer
    x = 11,356,246.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.