Home / 18,468,136.20-27,702,204.30-10,815,385.80

Finding the Fourth Proportional to 18,468,136.20, 27,702,204.30 and 10,815,385.80

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Solution

The fourth proportional to 18,468,136.20, 27,702,204.30 and 10,815,385.80 is: 16,223,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468,136.20 : 27,702,204.30 = 10,815,385.80 : x
  2. Step 2: Convert to fraction form
    18,468,136.20/27,702,204.30 = 10,815,385.80/x
  3. Step 3: Cross multiply
    18,468,136.20x = 27,702,204.30 × 10,815,385.80
  4. Step 4: Simplify right side
    18,468,136.20x = 299,610,027,014,918.94
  5. Step 5: Solve for x
    x = 299,610,027,014,918.94/18,468,136.20
  6. Step 6: Final answer
    x = 16,223,078.70

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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.