Home / 13,531,789.56-20,315,005.52-11,624,900.52

Finding the Fourth Proportional to 13,531,789.56, 20,315,005.52 and 11,624,900.52

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Solution

The fourth proportional to 13,531,789.56, 20,315,005.52 and 11,624,900.52 is: 17,452,231.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531,789.56 : 20,315,005.52 = 11,624,900.52 : x
  2. Step 2: Convert to fraction form
    13,531,789.56/20,315,005.52 = 11,624,900.52/x
  3. Step 3: Cross multiply
    13,531,789.56x = 20,315,005.52 × 11,624,900.52
  4. Step 4: Simplify right side
    13,531,789.56x = 236,159,918,233,250.84
  5. Step 5: Solve for x
    x = 236,159,918,233,250.84/13,531,789.56
  6. Step 6: Final answer
    x = 17,452,231.07

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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.