Home / 18,456,908.70-27,685,363.05-10,892,415.90

Finding the Fourth Proportional to 18,456,908.70, 27,685,363.05 and 10,892,415.90

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Solution

The fourth proportional to 18,456,908.70, 27,685,363.05 and 10,892,415.90 is: 16,338,623.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456,908.70 : 27,685,363.05 = 10,892,415.90 : x
  2. Step 2: Convert to fraction form
    18,456,908.70/27,685,363.05 = 10,892,415.90/x
  3. Step 3: Cross multiply
    18,456,908.70x = 27,685,363.05 × 10,892,415.90
  4. Step 4: Simplify right side
    18,456,908.70x = 301,560,488,683,092.50
  5. Step 5: Solve for x
    x = 301,560,488,683,092.50/18,456,908.70
  6. Step 6: Final answer
    x = 16,338,623.85

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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.