Home / 20,432,828.94-30,669,188.85-16,874,842.38

Finding the Fourth Proportional to 20,432,828.94, 30,669,188.85 and 16,874,842.38

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Solution

The fourth proportional to 20,432,828.94, 30,669,188.85 and 16,874,842.38 is: 25,328,735.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,432,828.94 : 30,669,188.85 = 16,874,842.38 : x
  2. Step 2: Convert to fraction form
    20,432,828.94/30,669,188.85 = 16,874,842.38/x
  3. Step 3: Cross multiply
    20,432,828.94x = 30,669,188.85 × 16,874,842.38
  4. Step 4: Simplify right side
    20,432,828.94x = 517,537,727,766,203.44
  5. Step 5: Solve for x
    x = 517,537,727,766,203.44/20,432,828.94
  6. Step 6: Final answer
    x = 25,328,735.89

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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.