Home / 18,375,636.45-27,576,740.70-10,280,018.55

Finding the Fourth Proportional to 18,375,636.45, 27,576,740.70 and 10,280,018.55

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Solution

The fourth proportional to 18,375,636.45, 27,576,740.70 and 10,280,018.55 is: 15,427,460.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,375,636.45 : 27,576,740.70 = 10,280,018.55 : x
  2. Step 2: Convert to fraction form
    18,375,636.45/27,576,740.70 = 10,280,018.55/x
  3. Step 3: Cross multiply
    18,375,636.45x = 27,576,740.70 × 10,280,018.55
  4. Step 4: Simplify right side
    18,375,636.45x = 283,489,405,944,540
  5. Step 5: Solve for x
    x = 283,489,405,944,540/18,375,636.45
  6. Step 6: Final answer
    x = 15,427,460.52

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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.