Home / 18,608,357.22-27,908,856.78-17,685,556.80

Finding the Fourth Proportional to 18,608,357.22, 27,908,856.78 and 17,685,556.80

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Solution

The fourth proportional to 18,608,357.22, 27,908,856.78 and 17,685,556.80 is: 26,524,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608,357.22 : 27,908,856.78 = 17,685,556.80 : x
  2. Step 2: Convert to fraction form
    18,608,357.22/27,908,856.78 = 17,685,556.80/x
  3. Step 3: Cross multiply
    18,608,357.22x = 27,908,856.78 × 17,685,556.80
  4. Step 4: Simplify right side
    18,608,357.22x = 493,583,671,805,755.12
  5. Step 5: Solve for x
    x = 493,583,671,805,755.12/18,608,357.22
  6. Step 6: Final answer
    x = 26,524,838.60

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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.