Home / 19,725,138.81-27,220,792.23-11,023,456.77

Finding the Fourth Proportional to 19,725,138.81, 27,220,792.23 and 11,023,456.77

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Solution

The fourth proportional to 19,725,138.81, 27,220,792.23 and 11,023,456.77 is: 15,212,426.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725,138.81 : 27,220,792.23 = 11,023,456.77 : x
  2. Step 2: Convert to fraction form
    19,725,138.81/27,220,792.23 = 11,023,456.77/x
  3. Step 3: Cross multiply
    19,725,138.81x = 27,220,792.23 × 11,023,456.77
  4. Step 4: Simplify right side
    19,725,138.81x = 300,067,226,392,556.88
  5. Step 5: Solve for x
    x = 300,067,226,392,556.88/19,725,138.81
  6. Step 6: Final answer
    x = 15,212,426.60

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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.