Home / 12,373,665.72-18,556,069.54-4,284,469

Finding the Fourth Proportional to 12,373,665.72, 18,556,069.54 and 4,284,469

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Solution

The fourth proportional to 12,373,665.72, 18,556,069.54 and 4,284,469 is: 6,425,169.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,373,665.72 : 18,556,069.54 = 4,284,469 : x
  2. Step 2: Convert to fraction form
    12,373,665.72/18,556,069.54 = 4,284,469/x
  3. Step 3: Cross multiply
    12,373,665.72x = 18,556,069.54 × 4,284,469
  4. Step 4: Simplify right side
    12,373,665.72x = 79,502,904,705,974.25
  5. Step 5: Solve for x
    x = 79,502,904,705,974.25/12,373,665.72
  6. Step 6: Final answer
    x = 6,425,169.91

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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.