Home / 30,391,737.89-45,605,763.06-27,919,121.16

Finding the Fourth Proportional to 30,391,737.89, 45,605,763.06 and 27,919,121.16

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Solution

The fourth proportional to 30,391,737.89, 45,605,763.06 and 27,919,121.16 is: 41,895,360.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,391,737.89 : 45,605,763.06 = 27,919,121.16 : x
  2. Step 2: Convert to fraction form
    30,391,737.89/45,605,763.06 = 27,919,121.16/x
  3. Step 3: Cross multiply
    30,391,737.89x = 45,605,763.06 × 27,919,121.16
  4. Step 4: Simplify right side
    30,391,737.89x = 1,273,272,824,433,229.75
  5. Step 5: Solve for x
    x = 1,273,272,824,433,229.75/30,391,737.89
  6. Step 6: Final answer
    x = 41,895,360.81

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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.