Home / 12,391,892.93-18,587,835.99-3,872,229.44

Finding the Fourth Proportional to 12,391,892.93, 18,587,835.99 and 3,872,229.44

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Solution

The fourth proportional to 12,391,892.93, 18,587,835.99 and 3,872,229.44 is: 5,808,343.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,391,892.93 : 18,587,835.99 = 3,872,229.44 : x
  2. Step 2: Convert to fraction form
    12,391,892.93/18,587,835.99 = 3,872,229.44/x
  3. Step 3: Cross multiply
    12,391,892.93x = 18,587,835.99 × 3,872,229.44
  4. Step 4: Simplify right side
    12,391,892.93x = 71,976,365,653,430.36
  5. Step 5: Solve for x
    x = 71,976,365,653,430.36/12,391,892.93
  6. Step 6: Final answer
    x = 5,808,343.09

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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.