Home / 18,553,676.94-27,831,390.21-15,309,196.83

Finding the Fourth Proportional to 18,553,676.94, 27,831,390.21 and 15,309,196.83

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Solution

The fourth proportional to 18,553,676.94, 27,831,390.21 and 15,309,196.83 is: 22,964,517.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,553,676.94 : 27,831,390.21 = 15,309,196.83 : x
  2. Step 2: Convert to fraction form
    18,553,676.94/27,831,390.21 = 15,309,196.83/x
  3. Step 3: Cross multiply
    18,553,676.94x = 27,831,390.21 × 15,309,196.83
  4. Step 4: Simplify right side
    18,553,676.94x = 426,076,230,777,425.06
  5. Step 5: Solve for x
    x = 426,076,230,777,425.06/18,553,676.94
  6. Step 6: Final answer
    x = 22,964,517.07

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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.