Home / 30,391,738.89-45,605,764.56-27,919,122.16

Finding the Fourth Proportional to 30,391,738.89, 45,605,764.56 and 27,919,122.16

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Solution

The fourth proportional to 30,391,738.89, 45,605,764.56 and 27,919,122.16 is: 41,895,362.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,391,738.89 : 45,605,764.56 = 27,919,122.16 : x
  2. Step 2: Convert to fraction form
    30,391,738.89/45,605,764.56 = 27,919,122.16/x
  3. Step 3: Cross multiply
    30,391,738.89x = 45,605,764.56 × 27,919,122.16
  4. Step 4: Simplify right side
    30,391,738.89x = 1,273,272,911,950,838.75
  5. Step 5: Solve for x
    x = 1,273,272,911,950,838.75/30,391,738.89
  6. Step 6: Final answer
    x = 41,895,362.31

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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.