Home / 13,897,229.76-19,178,178.92-7,702,675.97

Finding the Fourth Proportional to 13,897,229.76, 19,178,178.92 and 7,702,675.97

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Solution

The fourth proportional to 13,897,229.76, 19,178,178.92 and 7,702,675.97 is: 10,629,693.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,897,229.76 : 19,178,178.92 = 7,702,675.97 : x
  2. Step 2: Convert to fraction form
    13,897,229.76/19,178,178.92 = 7,702,675.97/x
  3. Step 3: Cross multiply
    13,897,229.76x = 19,178,178.92 × 7,702,675.97
  4. Step 4: Simplify right side
    13,897,229.76x = 147,723,297,915,444.56
  5. Step 5: Solve for x
    x = 147,723,297,915,444.56/13,897,229.76
  6. Step 6: Final answer
    x = 10,629,693.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.