Home / 18,927,951.38-28,391,923.83-5,983,189.09

Finding the Fourth Proportional to 18,927,951.38, 28,391,923.83 and 5,983,189.09

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Solution

The fourth proportional to 18,927,951.38, 28,391,923.83 and 5,983,189.09 is: 8,974,782.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,927,951.38 : 28,391,923.83 = 5,983,189.09 : x
  2. Step 2: Convert to fraction form
    18,927,951.38/28,391,923.83 = 5,983,189.09/x
  3. Step 3: Cross multiply
    18,927,951.38x = 28,391,923.83 × 5,983,189.09
  4. Step 4: Simplify right side
    18,927,951.38x = 169,874,248,903,767
  5. Step 5: Solve for x
    x = 169,874,248,903,767/18,927,951.38
  6. Step 6: Final answer
    x = 8,974,782.61

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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.